Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 521796: what is the ansewr step by step for 3-f=6f+8
Click here to see answer by jim_thompson5910(35256)

Question 521879: Loretta's age in 17 years will be three times what is was 13 years ago. How old is Loretta?
Click here to see answer by umnikmo(75)

Question 521975: please help me solve this problem by substitution
(x-4y+z=6 & 2x+5y-z=7 & 2x-y-z=1)
What would x, y & z equal?
Click here to see answer by stanbon(75887)

Question 522089: f(x)=x^3-64
Click here to see answer by stanbon(75887)

Question 522096: 3(2x + 6) - 5(x + 8) = x - 22

I really really would like to know how to solve this I have multiple questions on as assesment in a class I just started taking and i just do not remember how to solve this so any sort of help would be really appreciated. Oh , and i'm not getting graded seriously for it I just reall would like to know, we're only getting graded for doing it, but we will be taing a test on it in the future so i'm curious now. Thank you kindly!
Click here to see answer by Gogonati(855)

Question 522297: i dont understand how this answer would come out as (-69)...... The problem is this , -33+(-7)=29+m . if you could please hellp me ASAP that would be great... thank you !
Click here to see answer by Alan3354(69443)

Question 522466: -7(x+2)+2= -12
Click here to see answer by jim_thompson5910(35256)

Question 522483: 6x-2=x+13
Click here to see answer by jim_thompson5910(35256)

Question 522490: The combined ages of a father and his twin daughters are 54 years.The father was 24 years when the twins were born.How old is each of the three people?
Is it the father was 24 years,and each twin was 15 years because
54-24=30
30/2=15
or is it 54-24=30,30/2=15,24+15=39 years old for the father and 15 years old for the twins each?
Click here to see answer by scott8148(6628)

Question 522499: what is Y? 6=-y+42-2y
Click here to see answer by jim_thompson5910(35256)

Question 522753: Solve the system of equations
x + y = 6
x - y = -9

Click here to see answer by Alan3354(69443)

Question 522773: E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular sold for $2.30 a gallon, and premium sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of premium: How many premium gallons / How many Regular Gallons?
I don't know quite how to put this equation together. Please someone help and explain it to me. Please Please Please
Click here to see answer by umnikmo(75)

Question 522861: How do you simplify (4x + x^2) / 4x
Click here to see answer by jim_thompson5910(35256)

Question 522926: 3+5

Click here to see answer by jim_thompson5910(35256)

Question 522974: 2x+5/2>3/2x-2
Click here to see answer by chibisan(131)

Question 523114: given that velocity can be described in terms of the acceleration rate and the time period . . . v=at and given that the time period can be described can be described in terms of the distance covered and the acceleration rate . . . t=square root of 2d/a, how would I convert the equation to describe the velocity in terms of distance and acceleration?
Click here to see answer by ankor@dixie-net.com(22740)

Question 523206: each pair of triangles are similar . find the missing side. 63 and 56 and the other triangle is 9 and X

Click here to see answer by Alan3354(69443)

Question 523344: x divided by 7 = 9 Solve for x
Click here to see answer by oberobic(2304)

Question 523459: r^3-4r^2-16r+64
Click here to see answer by nerdybill(7384)

Question 523452: Okay here we go:
3x+10=1

Click here to see answer by richard1234(7193)

Question 523817: how do you work this problem
x+5is less than or egual to 11 and x-3is greater than or equal to -1

Click here to see answer by edjones(8007)

Question 523871: -x-2=-13+3x+8+13
Click here to see answer by Maths68(1474)

Question 524050: what is the answer to the equation 7+(6x5^2+3)
Click here to see answer by Alan3354(69443)

Question 524074: When you have a fraction bar on a n equation such as, -4 = -4 + x/1. How would you set that up?
Click here to see answer by mananth(16946)

Question 524089: 4h+5=11
Click here to see answer by Alan3354(69443)

Question 524043: How many pounds of candy selling for $1.75 a pound should be added to three pounds of candy selling for $4.25 a pound to create a blend, which will sell for $3.25 a pound?
Click here to see answer by Edwin McCravy(20055)

Question 524192: a speed of 60 mi/h corresponds to 88 ft/s. If a light plane's speed is 150 mi/h. What is its speed in feet per second?
Click here to see answer by rfer(16322)

Question 524200: x^2+9=13 i know the answer i just need the last step how do i get it... thank you..
Click here to see answer by rfer(16322)

Question 524185: How do you find out the values of a, b and c if a+b=12 and a+c=13 and b+c=10?
Click here to see answer by bucky(2189)

Question 524609: Solve formula specified variable
p=2L+2w for w
Thanks for all the help!
Click here to see answer by oberobic(2304)

Question 524656: p/11=-6
Click here to see answer by edjones(8007)

Question 524739: Can you help me with this equation please? I have to write this equation is standard form: y-4=5/3(x+3)
Click here to see answer by stanbon(75887)

Question 524742: Can you please help me with this? I have to write this equation in slope-intercept form: y+12=-2(x+5/3)
Click here to see answer by mananth(16946)

Question 524746: Can you please help me with this problem? I have to find the equation of the line that passes through the point (2,5) and is perpendicular to the line x-2y=5
The final answer has to be in slope-intercept form.
Click here to see answer by mananth(16946)

Question 524755: Can you please help me with this problem? I have to write the equation of a line in slope-intercept form that has an x-intercept of 1/2 and a y-intercept 2/3
Click here to see answer by oberobic(2304)

Question 524669: Write the equation of the line in slope-intercept form with a slope of 2 and a y-intercept of -3.
Click here to see answer by Alan3354(69443)

Question 524794: Danielle and Pete are selling pies for a school fundraiser. Customers can buy blueberry pies and lemon meringue pies. Danielle sold 4 blueberry pies and 8 lemon meringue pies for a total of $152. Pete sold 2 blueberry pies and 8 lemon meringue pies for $144. Find the cost of one blueberry pie and one lemon meringue pie.
Click here to see answer by Maths68(1474)

Question 525203: write an equation in point slope with the given information: through (4,44) and parallel to y axis
Click here to see answer by tarungehlot(9)

Question 525219: how do you solve (21+9)(-5)
Click here to see answer by BLAZETHEKILLER(3)

Question 525400: this test is worth 150 points. suppose your score is 126 points. what is your percent on the test?
Click here to see answer by oberobic(2304)

Question 525471: 6(1-6x)-4(x-2)=14
Click here to see answer by jim_thompson5910(35256)

Question 525464: 5(-5n+1)-3(n+3)=52
Click here to see answer by jim_thompson5910(35256)

Question 525422: What is the equation in x/y form: 0/0 1/1 2/4 3/9 4/16
Thank you!
Click here to see answer by jim_thompson5910(35256)

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, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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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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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