Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 492368: the area of triangle with base, b and height h, is given by:
A =1/2bh
if the area of a certain triangle is 38 square centimeters and the base is 8 centimeters, what is the height? please show all of your work.
Click here to see answer by stanbon(75887)

Question 492397: Please graph y= 2/3 x -1
label the x and y axes and draw a line
Click here to see answer by stanbon(75887)

Question 492400: 2/7j-1/7=3/14
Click here to see answer by deborabr(181)

Question 492278: Hi,im having problems with sloving equations with word problems.heres an example of one.A farmer is testing the strength of his new mule.The farmer wants to know how many boughs of hay the mule can pull,along with the cart and the farmer on board.The farmer knows that the mule can only pull 1000 pounds at one time.If the farmer wieghs 160 pounds,the cart wieghs 80 pounds,and each bough of hay wiegh 65 pounds,how many boughs can the mule pull with the cart and farmer on board??? please answer back asap im extremlyy confused. >.<
Click here to see answer by ankor@dixie-net.com(22740)

Question 492020: when 4 is added to a number and the result divided by 5,the final result is 44 less than the original number. Find the number ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 492674: I need help solving this equation
-16+6+(-14)+(-20)
i have kind of figured out to
-10+(-14)+(-20)
=-24+-20
-10+-4=
and that is where i am stuck
PLEASE help!!!
Click here to see answer by richard1234(7193)

Question 492850: The local movie theater sold 100 tickets for $780. If children's tickets cost $6 and adult tickets $12, how many of each were sold?
Click here to see answer by Maths68(1474)

Question 492911: solve the following equation.
10/3x=-50
Click here to see answer by MathLover1(20849)

Question 492914: solve. show all of your work.
-17-x=-2(3x+1)

Click here to see answer by MathLover1(20849)

Question 492992: Need help...
x^2-9x= -8
Click here to see answer by Alan3354(69443)

Question 492900: please can somebody show me how to solve this
I need to find 3 solutions
x^3+9x^2+14x=0
please show workings so I can understand
Click here to see answer by htmentor(1343)

Question 493029: please help me solve this word problem
one fifth of the orange crop at Pulp Farms was destroyed by frost. One half of the remaindr was sent in a shipment of 1600 crates to be processed into orange juice. How many crates of oranges were destroyed?
Click here to see answer by Earlsdon(6294)

Question 493008: How do you rewrite this equation for y:
y-2xy= 15

Click here to see answer by Earlsdon(6294)

Question 493000: Given that the point P(2, 6) lies on the line 4x + ky - 19 = 0, find k.
Everytime I do this problem, I get the answer k= 11/6, but this is not one of my choices. Am I correct in my answer?
Click here to see answer by Alan3354(69443)

Question 493052: what is 43-3d=d+9
Click here to see answer by Alan3354(69443)

Question 493056: How do you solve 1/5(a+10)=-3?
Click here to see answer by gabbymad98(6)

Question 493044: q+14=8(q+7)
Click here to see answer by gabbymad98(6)

Question 493076: please help me solve this equation for y:
y(y-4)(7y+2)=0
Click here to see answer by Gogonati(855)

Question 493088: how do i solve this equation and show the work
7w-3(4w+8)=11
Click here to see answer by MathLover1(20849)

Question 493095: So i'm doing my algebra homework, and most of the questions are just like this one but just with different variables and numbers. So if you could help me by showing the steps so I could figure out the other ones by myself that'd be great (: Thank you!
-34=v+42-5v
Click here to see answer by deborabr(181)

Question 493165: Hi, I have a question. How would you solve this equation..
-(x+1)=2(3x-1)
Click here to see answer by stanbon(75887)

Question 493180: 6t=3(t+4)t
Click here to see answer by stanbon(75887)

Question 493378: 1 < 2x - 3 < 5
Click here to see answer by stanbon(75887)

Question 493391: what are the steps to solving " 5w+2w=77
"?
Click here to see answer by richard1234(7193)

Question 493625: solve -4p-10(2p-3)=22-7(1-2p). Please show all of your work.
Click here to see answer by deborabr(181)

Question 493460: If it takes 5 minutes for 5 men to dig 5 holes, how long would it take 12 men to dig 12 holes?
Click here to see answer by gabbymad98(6)

Question 493648: Solve for this equation:
7-5(a+1)=8+a
Click here to see answer by deborabr(181)

Question 493672: Please help me solve this equation: ((four to the power of sixteen divided by four to the power of negative 2 equals))

Click here to see answer by stanbon(75887)

Question 493710: how do you get the midpoint of (1 -7)and (-5 -3)
Click here to see answer by MRperkins(300)

Question 493717: Need someone's help please.
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
2x + 2y = 20
2x � 2y = 4
Click here to see answer by MRperkins(300)

Question 493722: Help please?
Subtract.
(-2 + 7n5 � 6n4) � (n5 � 4n4 + 8)
Click here to see answer by MRperkins(300)

Question 494132: I don't understand how to do this : 3|x+6| = 36
Click here to see answer by MathLover1(20849)

Question 494138: help please:the total cost is the number of cans times 70
Click here to see answer by rfer(16322)

Question 494097: 2 to the 8th power
over
2 to the 2nd power
Click here to see answer by rfer(16322)

Question 494177: hi
how do you graph fractions
Solve the equation
1 3/4=b+5/8
Click here to see answer by rfer(16322)

Question 494153: the sum of a number and 16 is equal 45
Click here to see answer by rfer(16322)

Question 494248: 2a/3-3a/5=1/2
very much confused please explain to me how its done. thank you
Click here to see answer by chessace(471)

Question 494279: How do I get x by itself in
2x+6xy+5bx=5 ?

Click here to see answer by Earlsdon(6294)

Question 494466: -3 + f < 14 (solve one-step)
Click here to see answer by Alan3354(69443)

Question 494584: I really need help please.
Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
(2x/y^2)^-4
Click here to see answer by stanbon(75887)

Question 494586: Need help please.
Subtract.
(-2 + 7n5 � 6n4) � (n5 � 4n4 + 8)
Click here to see answer by rfer(16322)

Question 494662: Need someone's help please.
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.
4x + 4y = -36
4x + 4y = 12
Click here to see answer by stanbon(75887)

Question 494713: please help me solve this equation -5/8h+25=15
Click here to see answer by stanbon(75887)

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, 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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