Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 505387: 23b+9=4b+66
what dose b equal

Click here to see answer by rfer(16322)

Question 505468: How would I work out the two step equations 13=8-5d?
I added 8 to both sides and then divided both sides by 5 but, that is wrong.
It's what my teacher told me to do.
Do I have to act like 5d is -5d?
Is the equation adding 8 to 5d?
Click here to see answer by Taxie(4)

Question 505544: 3-4t+11=2
Click here to see answer by edjones(8007)

Question 505950: i dont understand how to do equations, please help? t/5-2=6, -2y-5=-9, d/-3+7= 10
Click here to see answer by stanbon(75887)

Question 505996: How do you solve (5x+4)(-x-1)
Click here to see answer by solver91311(24713)

Question 506400: 6a=-24a+36
Click here to see answer by xdragonfight(116)

Question 506382: How do you do a algebra problem like 4x+y=14
-12x+5y=-26
Click here to see answer by Sarah900(12)

Question 506486: Hi you do really great work. Hope you can help please.
Solve 3(x+4)=21
Thank you
Click here to see answer by xdragonfight(116)

Question 506484: Hi Guys you do a great job. I am hoping you can help my son.
The formula for the volume of a cylinder is, were V is the subject V = pier2h.
Change the subject of the equation to the height(h). If the volume(V) is 20m3, and radius(r) is 2m what is the height(h)?
Hoping you can help. Cheers
Click here to see answer by ankor@dixie-net.com(22740)

Question 506879: 7(h+3) = 6(h-3)
Click here to see answer by jim_thompson5910(35256)

Question 506879: 7(h+3) = 6(h-3)
Click here to see answer by emargo19(101)

Question 506972: 1/2X+4/9=4/9X
Click here to see answer by jim_thompson5910(35256)

Question 507012: 6p-(5p+5)= -8-2(p+12)
How do I solve this six grade problem.
Man I thought I had it tuff in school.

Click here to see answer by jim_thompson5910(35256)

Question 507012: 6p-(5p+5)= -8-2(p+12)
How do I solve this six grade problem.
Man I thought I had it tuff in school.

Click here to see answer by xdragonfight(116)

Question 507055: hello?

Click here to see answer by xdragonfight(116)

Question 507057: 9(b-4)-7b=5(3b-2)
Click here to see answer by jim_thompson5910(35256)

Question 507210: tara read 19 science fiction and mystery novels in 6 months.she read 3 more science fiction novels than mystery novels. how many novels of each type did she read?
Click here to see answer by Maths68(1474)

Question 507136: 1/2(4x-8y+10)+3(2x+y-1)

Click here to see answer by Maths68(1474)

Question 506913: The little train had completed 30 percent of the journey. if 3600 miles still remained what was the total length of the journey?
Click here to see answer by Maths68(1474)

Question 507266: I need help with this question.
Given the equation x=-y+9, use substitution to solve 3x-5y=59 for x.
I am working with literal equations.Please help
Click here to see answer by stanbon(75887)

Question 507334: Simplify and solve.
15-4(a-5); if a=8
i have tried subsituting "a" with 8, but i cant simplify it that way
Click here to see answer by algebrahouse.com(1659)

Question 507354: how to solve 12y-15=-y-37
Click here to see answer by algebrahouse.com(1659)

Question 507361: How to solve:
-3/4x - 1/2 = 5/8
Click here to see answer by algebrahouse.com(1659)

Question 507408: this site is little confusing to me now. You used to be able to access a page, where you type a problem and it gives you a breakout of steps and answer. Where did that go?
Click here to see answer by richard1234(7193)

Question 507495: (5x-y) 3-(6-xy-6) : x=7, y=-1, z=-3
How do I solve this problem
Click here to see answer by oberobic(2304)

Question 507511: Please help me solve:
John is 4 years older than his sister, and 6 years ago he was twice his sisters age then. How old is each now?
Click here to see answer by oberobic(2304)

Question 506824: a-2+3=-2
Click here to see answer by jim_thompson5910(35256)

Question 506795: Solve for x when 2x squared + 5x=12
Click here to see answer by jim_thompson5910(35256)

Question 506790: Solve each equation for x
x+2/y-1=2
Really need help with that kind of problems
Click here to see answer by jim_thompson5910(35256)

Question 506029: whats h=12g-1 solve for g
Click here to see answer by jim_thompson5910(35256)

Question 505243: 5(5x + 3) = 3(8x- 2)+4
Click here to see answer by jim_thompson5910(35256)

Question 505246: 3x+2(4x-3) = 6x-9
Click here to see answer by jim_thompson5910(35256)

Question 505491: x^3-3x^2-4x+12=0 Please explain how to solve
Click here to see answer by jim_thompson5910(35256)

Question 505008: 60x+153=9x+51
Click here to see answer by jim_thompson5910(35256)

Question 505002: -3(x+2)=16-x
Click here to see answer by jim_thompson5910(35256)

Question 506568: What is the value of x if x + 60 degrees is supplementary to x + 10 degrees?
Click here to see answer by jim_thompson5910(35256)

Question 506323: Please help:
How do you solve the problem
2a - 7 = -9
thank you
Click here to see answer by jim_thompson5910(35256)

Question 507567: -4(8+5n)=8
Click here to see answer by jim_thompson5910(35256)

Question 507324: 2(6k-1)=-38
Click here to see answer by jim_thompson5910(35256)

Question 507649: It takes Fred 8 minutes to type and spell check 6 pages. Find how many pages he can type and spell check in 3.5 hours. Round to nearest tenth.
Click here to see answer by josmiceli(19441)

Question 507595: Can you break down these word problems and show me how to work the solutions please. Thanks. I am also trying to work on them myself even though I am confuse
1) The perimeter of a triangle is 30. Since the longest side is one less than twice the shortest side and the third side is three more than the shortest side, what must be the length of the third side?

2) A bag of quarters and dimes is worthm in total $5.55. There are five less than three times as many dimes as quarters. How many of the coins must be dimes?

3) If 5 times a number (N) is less than 2 times that same number minus 9, what must be the value of the number?

4) If the width of a table is 4 feet shorter than the length. The table top is 96 square feet. Find the width.

Click here to see answer by ankor@dixie-net.com(22740)

Question 507704: solve equation and check the solution
5(x-2)-4x=2(x-6)+2

0.01(x+50)+0.03(x-20)=4.06

5x-8(x+2)=-3(x-4)
Click here to see answer by jim_thompson5910(35256)

Question 507608: write an equation of the line containing the given point and parallel to the given line (6,8);x+6y=7
Click here to see answer by jim_thompson5910(35256)

Question 507817: The formula V=1/3lwh relates the volume of a square pyramid to its base length l, base width w, and height h.
a. Solve the formula for w
b. A square pyramid has a volume of 560 in^3, a base length of 10 in, and a height of 14 in. What is its base width?
Click here to see answer by Earlsdon(6294)

Question 507790: please solve this equation
solve t:

5t/12=4-3t
Click here to see answer by Maths68(1474)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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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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