Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 32734: Isolate for "t": m=16t^2+vt+7
thanks, i cant seem to figure it out... are you supposed to divide it out?
Click here to see answer by venugopalramana(3286)

Question 32500: How does finding a solution to 8=2x-6 help find the coordinates of a point on the line of the equasion y=2x-6?
Click here to see answer by venugopalramana(3286)

Question 32963: the sum of two consecutive oddintegers is 244. what is the smaller integer?
Click here to see answer by checkley71(8403)

Question 32971: how do i solve the eqation
xsquared + 61x -1422=0
cannot remeber what to do if i cannot factor??/
thank you
Click here to see answer by checkley71(8403)

Question 32976: i know conners age but i dont really know how to make this question an equation
Nathan has two brothers, Conner and Josh. If we add 2 to Conner�s age, it is exactly � the age of their older brother Josh, who is 12. How old is Conner?

Click here to see answer by ikdeep(226)

Question 33175: 2x-2=6
Click here to see answer by sarah_adam(201)

Question 33197: Solve the equation.
http://www.ccaurora.edu/mat090/Tests/test_chapter_8_files/image050.gif
...._____
8)/ 3x + 1 -1=x (that is the sqrt symbol to start the problem)

A) 0, 2

B) 0

C) 2

D) 0, 1
How do I enter this problem to solve it myself?
Click here to see answer by mukhopadhyay(490)

Question 33403:
I need major help! (n+1)�-3n Which sequence follows the rule where n equals the number's position in the sequence.

Click here to see answer by AnlytcPhil(1806)

Question 33431: This is a word problem - the problem is - if Janice can paint a room in 10 hours and Jim can paint the same room in 8 hours - how long will it take to paint the room if they both work together?
I think the ans should be 4.5 hours but I am not sure how to set up the equation

Click here to see answer by mukhopadhyay(490)

Question 33405: find the solution of each equation for x=-3,0,and 2.
the problems are
x-2y=3 and y=-x-1.5

Click here to see answer by sarah_adam(201)

Question 32664: A=(a+b)h/2,if A=300,h=5,b=30 would that make the value of a=10?
Click here to see answer by stanbon(75887)

Question 33475: What is the answer to:
1.5 = -1.2n - 0.9
Thank you for your time in helping me.
Annie
Click here to see answer by mszlmb(115)

Question 33517: I need help please with the following equations:
-8 is less than/equal to 4d - 26
15 + 2(5z - 50) <68
5 - 40X <125
9n - 54 > -36
Thank you so much!!

Click here to see answer by ikdeep(226)

Question 33513: Can you please help me with the following equations. I don't know my negative/positives very well and fractions:
2/7b - 9 = 2
3(22V - 1) = 162
-6 (m+2)+ 2) +4 = 36
5 - 40x = 125

Thank you for your time and help on this.
Click here to see answer by sarah_adam(201)

Question 33557: X2-X-12=0
Click here to see answer by Earlsdon(6294)

Question 31546: i am trying to find out how you would find the super compaonent of a full package of $85000.
I thought you would do:
xy=z
x=unknown
y=.09
z=85000
so what is x? and how do you do it and an algebra formula.
Click here to see answer by venugopalramana(3286)

Question 33707: Solve the equation. Express radicals in simplest form.
5x^2 = 35
Click here to see answer by ntnk(54)

Question 33719: Solve the following equations and word problems using any method (for problems with two unknowns, make sure to use two answers):
1.4x + 7y = 7
6x - 7y = 6
2. 1/5 x + 1/3y = -4
x-y = -6
3. 3x = 4 - 4y
2x - 4y = 5
4. The length of a rectangular swimming pool is 11 feet longer than the width. If the perimeter is 75 feet, then what is the length and width of the rectangle?

Click here to see answer by sarah_adam(201)

Question 33726: Solve the equation abx=cy for each of the following
x
a
c
i know that i have to do something with both sides but ivd tried and tried and i just dont understand...please be very simple
Click here to see answer by Nate(3500)

Question 33816: Please help me to understand how I solve these types of questions, I'am having a lot of trouble with this
Solve for y
3y=ab
bx/y=r
ab=cy
Click here to see answer by ice_water35(8)

Question 33766: Solve the following word problem using any method (if the problem has two unknowns, it should be two answers):
1. Steve has 35 coins consisting of dimes and nickels. If the value of the coins is $3.20, then how many of each type does he have?
Determine the equation of each line (write in slope-intercept form):
1.The line through (0, 6) that is parallel to the line 3x + 5y = 15
2.The line through (8, 0) that is perpendicular to the line x + y = 3
Write equation in slope-intercept form
1. 10 - x - 2y = 0
Click here to see answer by venugopalramana(3286)

Question 33856: How do I solve
x +3y -6z =7
2x -y +z =1
x +2y + 2z =1
Thanks,
Tijuana
Click here to see answer by venugopalramana(3286)

Question 33856: How do I solve
x +3y -6z =7
2x -y +z =1
x +2y + 2z =1
Thanks,
Tijuana
Click here to see answer by AnlytcPhil(1806)

Question 33916: Please help me to do this equation 15-4x=42-7x
Click here to see answer by fanism(39)

Question 34040: -(x+6)+4x=3(x-1)+7
Click here to see answer by xcentaur(357)

Question 34040: -(x+6)+4x=3(x-1)+7
Click here to see answer by ichudov(507)

Question 34039: 20.6+2.1x=-8.2x
Click here to see answer by ichudov(507)

Question 34062: The problem I have is
7-3(x+3)=-5(x-2)+2x-12
Click here to see answer by fanism(39)

Question 34158: I'm trying to solve for b: here's the problem a(x-1)=-x/b
I've tried several times and I can solve for x which is x= ab/ab+1
Click here to see answer by longjonsilver(2297)

Question 34265: please help solve this
3x=wyz
solve for x, w, and y
please explain so i can try to do others without help, thank you very much
Click here to see answer by kietra(57)

Question 34273: HI - I can't seem to figure this one out:
The current cost of an item is $837, which is a 37% increase over the prior year's cost. What was the prior year's cost? I set up an equation:
(C+(C*37%)=837)
But, can't get the correct answer. By doing a guess and check, i know the answer is $610.95, but can't get there algebraically. HELP! And thanks!
Click here to see answer by fanism(39)

Question 34289: Please can you sole this problem an faster and easier way to figure it out. 2X+2=X+5
Click here to see answer by stanbon(75887)

Question 34144: 35% of wha number is 49
Click here to see answer by stanbon(75887)

Question 34372: The sum of two numbers is 72. One of the numbers is six more than twice the other. What are the two numbers?
Click here to see answer by lyra(94)

Question 34377: An express and local train leave GraysLake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.
Click here to see answer by Paul(988)

Question 34378: Joe has a collection of nickels and dimes that is worth $5.65. If the number of dimes were doubled and the number of nickels were increased by 8, the value of the coins would be $10.45. How many dimes does he have?
Click here to see answer by Paul(988)

Question 34376: Walt made an extra $9000 last year from a part-time job. He invested part of the money at a 9% annual rate of interest, and the rest at an 8% annual rate of interest. At the end of the year, he made a total of $770 in interest. How much was invested at 8%?
Click here to see answer by checkley71(8403)

Question 34375: On the first day of school, the percentage of boys in a particular class is 60%. During the school year, six girls move away, and are replaced in the class by six boys; this makes the class roster 75% boys. Find the number of boys and girls in the class on the first day of school.
Click here to see answer by checkley71(8403)

Question 34371: In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle?
Click here to see answer by checkley71(8403)

Question 34364: if john's present age is 3x years and jane is twice his age, what will be the sum of their ages in 5 years time
Click here to see answer by checkley71(8403)

Question 34370: A shopper buys three oranges and five lemons for $10.26, while a second shopper buys four lemons and six oranges for $11.16. What is the price of each fruit?
Click here to see answer by checkley71(8403)

Question 34374: A man goes into a grocery store and buys a grapefruit and a toy ball. A 7% tax is applied to the price of non-food items. If the total bill is $5.15, including $0.18 in tax on the toy ball, what are the prices of the grapefruit and the ball?
Click here to see answer by usyim88hk(158)

Question 34369: A university bookstore recently sold a wirebound graph-paper notebook for $2.50, and a college-ruled notebook for $2.30. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $118.60. How many of each type were sold?
Click here to see answer by usyim88hk(158)

Question 34452: Need some help, please
solve the following equation
2x^2+12x=-10

Click here to see answer by longjonsilver(2297)

Question 34442: can someone please check my answers, and explain if and where i went right, thank you so much..
solve equations for the variable x
4x=y
my answer 4x/4=y/4 x=4/y
xyz=t
my answer xyz/xy=t/xy x=xyz/t
4xz=p
my answer 4xz/4=p/4 x=4xz/p
y=xtz
my answer y/y=xtz/y x=xtz/y
xyz/t
my answer xyz/xy=t/xy x=xyz/t
3.5tpx=r
my answer 3.5/tpx=r/3.5 x=tpx/r
Click here to see answer by venugopalramana(3286)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580