Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 69380: x+3+2x=5+x+8
Click here to see answer by funmath(2933)

Question 69353: If 4 - 3x = 24 + 2x, evaluate 3x2 - 2x + 4
the 3x2 is 3 x to the second power.
Solve 3 + 2[4x - 3(5 - x 0] = 3(x - 20)

Three-fifths of a number is negative thirty. Find the number.
A rectangular vegetable grden has a perimeter of 64 ft. The length of the garden is 20 ft. Find the width of the garden.
Click here to see answer by stanbon(75887)

Question 69421: solve 5-x=3(2-x)+2x
Click here to see answer by funmath(2933)

Question 69439: Please and thank you for the help. I am missing something and can't figure out what I've done wrong.
1. 2/3 + 4t = 6t - 2/15
2. 0.76 + 0.21t = 0.96t - 0.49
3. 1/3x + 2/5 = 4/15 + 3/5x - 2/3
Thank you!
Click here to see answer by stanbon(75887)

Question 69469: Find the axis of symmetry
Y = x^2 + 5x - 7
A) X = 5
B) X = -5
C) X = -5/2
D) x = 5/2
I have four answers but I do not understand how to get to this point, can anyone help me out? Thank you
Click here to see answer by Nate(3500)

Question 69474: Solve:
5(x-2)^2 = 3
Thank you for helping me!!!
Click here to see answer by stanbon(75887)

Question 69500: Solve: 9x^2 = 14
Can someone please give me hand in this? Thank you
Click here to see answer by Nate(3500)

Question 69446: I need help on solving this equation. it says to Write an equation in standard form for the line whose slope is undefined and passes through (-6, 4). I have spent a really long time working on this and cannot figure out where to start. Please help me.
Click here to see answer by ankor@dixie-net.com(22740)

Question 69510: How do I solve -7x = -26+6x ?
Click here to see answer by Nate(3500)

Question 69503: Find the constant term that should be added to make the following a perfect square trinomial:
x^2 + 7x
Multiple choice:
a)49
b)49/2
c)7/2
d)49/4
Thank you for your help
Click here to see answer by stanbon(75887)

Question 69496: Solve by using the quadratic formula
5x^2 + 5x = 3
Can anyone help me out with this problem please? Thank you
Click here to see answer by checkley75(3666)

Question 69452: A bottle and a cap together cost $1.10. The bottle cost $1.00 more than the cap. How much does each cost?
Click here to see answer by jim_thompson5910(35256)

Question 69520: Please help! How do I solve the following equations?
(a) -x+12=-4+x
(b) 3(x-2)+2=2(x-4)
(c) x/5 - x/3 = 8/15
(d) I = Prt Solve for r
Click here to see answer by Earlsdon(6294)

Question 69487: The demand and supply equations for a certain item are given by:
D = -5p + 40
S = -p^2 + 30p -8
Find the equilibrium price. Is the P the price? or is the d and s the price? Thank you!
Click here to see answer by justsmilexx(8)

Question 69479: Solve by completing the square x^2 = 5x + 2
Please help me with this, thank you
Click here to see answer by jim_thompson5910(35256)

Question 69542: Arnold had $1.70 in dimes and quarters. HE had 3 more dimes than quarter. How many of each coin did he have?
Click here to see answer by tanimachatterjee(60)

Question 69549: p divided by -7 + 1 = 7
Click here to see answer by funmath(2933)

Question 69550: x divided by 9 + x-3 divided by 6 = 27
Click here to see answer by funmath(2933)

Question 69482: Find the x-intercepts y = x^2 + 5x + 2
How do I find the x intercept?
Click here to see answer by ankor@dixie-net.com(22740)

Question 69482: Find the x-intercepts y = x^2 + 5x + 2
How do I find the x intercept?
Click here to see answer by bucky(2189)

Question 69548: 3y divided by 4 minus y didided by 3 = -5
Click here to see answer by funmath(2933)

Question 69547: 4x + 5 divided by6 Minus x+7 divided by 4 = 2
Click here to see answer by funmath(2933)

Question 69590: 2(x+5)-x-4=7
Click here to see answer by bucky(2189)

Question 69475: Solve by completing the square:
x^2 + 2x - 8 = 0
Multiple choice:
a)-4, -2
b)-4, 2
c)4, -2
d)4,2
Thank you for helping!
Click here to see answer by ankor@dixie-net.com(22740)

Question 68811: Solve for x. I did the following.
20 (2)=5*x-2
40=5x(-2)
40=-10
x=4
I believe I did it wrong but I am not for sure. Thank you in advance.
Click here to see answer by vodyq(1)

Question 69644: How can you do this?
-k = 5
Click here to see answer by checkley75(3666)

Question 69634: I have tried figuring out these problems, but I am so lost. Can you please help me solve the following problems? Thank you.
(a) 7x + 3 > 9x - 5
(b) 5x - 5 < - (sign for less than or equal to)2x + 10
(c) A copper conducting wire measures 84 centimeters in length. It is cut into two pieces. The shorter piece is 5 centimeters shorter than the long piece. Find the length of each piece.
(d) Find the area of a circular flower bed whose diameter is 6 meters. Use ``~ = 3.14 as an approximate value.
Click here to see answer by stanbon(75887)

Question 69648: 6A. in the solution to the equation -10 + 3x = 5 shown below, some of the steps are left out.
-10 + 3x = 5
3x = 15
X = 5

Describe the steps that transform the original equation into the second equation and the second equation into the third (solution).
Click here to see answer by checkley75(3666)

Question 69651: 14. Solve each equation using the method of your choice. Then use a different method to verify your solution.
A. 14x = 63
B. -4.5x = 18.6
C. 8 = 6 + 3x
D. 5 (x-7) = 29
E. 3 (x-5) +8 =12
Click here to see answer by checkley75(3666)

Question 69650: 10. Tell what number, if multiplied by the given number, gives 1.
A. 12
B. 1 over 6
C. 0.02
D. � 1 over 2
Click here to see answer by stanbon(75887)

Question 69686:
Click here to see answer by funmath(2933)

Question 69687: My child has a maths question in Foundation of Mathematics by A J Sadler and the answer in the book = 50. I do not get that answer but my child can using calculator equations. My child needs to understand the method and I do not know where I'm going wrong. I can normally work these problem out but I need help with this one:
1/R = 1/R1 + 1/R2 + 1/R3 where R = 20, R2 = 40 and R3 = 200
1/20 = 1/R1 + 1/40 + 1/200

Click here to see answer by stanbon(75887)

Question 69698: Analyzing Linear Equations:
Write each equation in standard form?
y-13=4(x-2)
Click here to see answer by checkley75(3666)

Question 63135: R2 multiplied by 7R = 6396
Find R so that the product will be correct.
Click here to see answer by terbear1963(43)

Question 69714: solve for a: p=a+b+c
Click here to see answer by checkley75(3666)

Question 69713: x=1/2y-3
Click here to see answer by checkley75(3666)

Question 69731: In a town election, the winning candidate had 220 more votes
than the loser. If 810 votes were cast in all, how many votes did each candidate
receive?
Click here to see answer by Nate(3500)

Question 69595: hi im having trouble on this problem 24=4(h divided by 2-7 could you please help me in getting the answer and explaining ?

i tried the problem by trying to get rid of 24 by dividing by four and putting a one by the h to make it work but i am totally confused
thanks
Click here to see answer by checkley75(3666)

Question 69763: an empty bucket is put under 2 faucets. if one faucet is turned on alone, the bucket fills in 6 minutes. if the other faucet is turned on alone, the bucket fills in 4 minutes. if both are turned on, how many seconds will it take to fill the bucket?
we CANNOT even figure out the equation to this problem....
Click here to see answer by checkley75(3666)

Question 69778:
Click here to see answer by funmath(2933)

Question 69790: A postal clerk sold 75 stamps, some of which were 5 cents and some were 8 cents. The total amount was $4.80. How many of each stamp was sold?
Click here to see answer by checkley75(3666)

Question 69796: a mason can make a wall in 6 hours. His helper takes 9 hours. In how many hours can they make the wall together.
Click here to see answer by checkley75(3666)

Question 69816: Factor completely.

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, 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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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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