Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 217200: How do you slove a problem like b+3/e=f/2
Click here to see answer by Alan3354(69443)

Question 217468: A school bus holds 57 students but is only 40% full. How many students are on the bus? How do I make this into an equation?
Click here to see answer by Theo(13342)

Question 217511: I have tried every way to solve this and I cannot get it to work. Please help.
3(x-7) = 2x - 11
I tried 3x - 21 = 2x - 11
which becomes 3x- 2x - 21 = 2x - 2x -11
therefore 1x - 21 = 11
cant get it to work so I tried 5x -21 = 11 still didnt make sense
V_SNOOKS@sky.com
Click here to see answer by Alan3354(69443)

Question 217521: I am having difficulty creating my own algebraic equation for class. I have to write an equation which models how old in years I will be when I am 3 times as old as my younger cousin. I am 33 she is 14.
here is what I have tried:
33x=19(3)
also I have tried
19x=33(3)
I am so confused right now.
I think I am going about this all wrong, can you just guide me in the right direction please. Thank you.
Click here to see answer by ankor@dixie-net.com(22740)

Question 217558: -3( - 2 - 3y ) = 7y
Click here to see answer by rfer(16322)

Question 217558: -3( - 2 - 3y ) = 7y
Click here to see answer by MathTherapy(10551)

Question 217560: 2y+10=5y-4y
Click here to see answer by rfer(16322)

Question 217457: Can you please help me solve this equation:
I tried to work it out on my own and this is what I worked out:
-3x-3y+14x+7
-3y+11x+7
That's all I got so far. If you could help me I would greatly appreciate it! Thank you very much!
Morgan
Click here to see answer by drj(1380)

Question 217419: the diffrence between 72 and the product of a number and 4 equals five times the number.
Click here to see answer by ankor@dixie-net.com(22740)

Question 217617: I DONT KNOW HOW TO SOLVE THIS PROBLEM OR EVEN KNOW WHERE TO START..
5P-8=1+5P-9
Click here to see answer by jim_thompson5910(35256)

Question 217623: WHAT STEPS DO I DO TO SOLVE 3(2V-1)=6V-4
Click here to see answer by jim_thompson5910(35256)

Question 217634: how do i solve -7over8(fraction)=m-3over8(fraction)?
Click here to see answer by jim_thompson5910(35256)

Question 217632: 1:10. THE LENGTH IS 15 IN. HOW LONG IS THE ACTUAL CAR?
THIS IS MY QUESTION..^^
Click here to see answer by rfer(16322)

Question 217640: -4over5x=-2
how do i multiply 2 fractions? i have multiple choice hw but i dont noe how to multipy 2 fractions.
Click here to see answer by rfer(16322)

Question 217640: -4over5x=-2
how do i multiply 2 fractions? i have multiple choice hw but i dont noe how to multipy 2 fractions.
Click here to see answer by MathTherapy(10551)

Question 217612: Please help me solve this equation: -6+-10
Click here to see answer by RAY100(1637)

Question 217756: How do I find the inverse of: f(x)=2log2(x-5)? Please note that the "2" after log is in subscript. Please show steps.
Click here to see answer by stanbon(75887)

Question 217758: Write an equation for the line described as slope=-3/5 and passes through (7,6). Write in slope intercept form.
Click here to see answer by stanbon(75887)

Question 217758: Write an equation for the line described as slope=-3/5 and passes through (7,6). Write in slope intercept form.
Click here to see answer by drj(1380)

Question 217780: Can u show me a mapping diagram for x>4x-5 please
Click here to see answer by stanbon(75887)

Question 217812: How do i solve problems like this (5x+6=2x+15)

Click here to see answer by drj(1380)

Question 217814: If a number n is subtracted from 20, the result is six less then n. What is the value of n
Click here to see answer by rfer(16322)

Question 217865: Is -2/3 a solution of 3x + 6 =4?
Click here to see answer by Alan3354(69443)

Question 217865: Is -2/3 a solution of 3x + 6 =4?
Click here to see answer by drj(1380)

Question 217866: What is the measure of the complement angle A O44 C?

Click here to see answer by arasal01@yahoo.com(1)

Question 217862: What does the x's equal? -10=1/2x+x
Click here to see answer by checkley77(12844)

Question 218094: whats this problem equal? ten more than the quotient of a number and -2 is three

Click here to see answer by stanbon(75887)

Question 218119: -2x=1/2(-6-4x)+3
I got x=0 but an algebra software I have got no solution.
Help
Click here to see answer by rfer(16322)

Question 218119: -2x=1/2(-6-4x)+3
I got x=0 but an algebra software I have got no solution.
Help
Click here to see answer by drj(1380)

Question 218154: An investor has $8000 invested at 9% and wishes to invest some addtional money at 16% in order to return at least 12% on total investment. What is the least amount of money that should be invested?
Click here to see answer by alicealc(293)

Question 218153: If the temperatur on the fahrenheit scale if F degrees and on Celcius scale is C degress, then C=5/9(F-32). What is the set of values of F if C is between 10 and 20?

Click here to see answer by alicealc(293)

Question 218219: -2(x+5)-(3x-8)=3(x-1)
Click here to see answer by stanbon(75887)

Question 218231: How does one get 0.4 when solving for Y?
Y=C+2.0 and C=1.6+0.6Y
Y = 1.6+0.6Y+2.0 = 3.6+.6Y
Solving for Y
0.4Y = 3.6
Thanks - Scott
Click here to see answer by stanbon(75887)

Question 218346: 3b=15 ?
Click here to see answer by user_dude2008(1862)

Question 218356: how much is 15% tip on a $32 meal
Click here to see answer by RAY100(1637)

Question 218356: how much is 15% tip on a $32 meal
Click here to see answer by stanbon(75887)

Question 218367: There are 40 questions on a test. How many questions do you need to have correct to score a 90% on the test?
Click here to see answer by jim_thompson5910(35256)

Question 218371: Suppose you scored 80% on a test and answered 32 questions correctly. How many questions were on the test?

and i was wondering if you could do this problem step by step for me so i can see how to do it?
Click here to see answer by solver91311(24713)

Question 218376: suppose you scored 80% on a test and answered 32 questions correctly. How many questions were on the test?

if possible i need help like show me step by step how you did the problem but anyways who ever gets this please respond back to it as quickly as possible?
Click here to see answer by vleith(2983)

Question 218377: whats the answer to this equation -8(x+3)-4x=60
Click here to see answer by jim_thompson5910(35256)

Question 218384: solve
20=-4(f+6)+14
Click here to see answer by jim_thompson5910(35256)

Question 218386: Susan and jayne have part-time jobs selling tickets at the theatre. This week, Jayne s paycheck was twice the amount of susan s paycheck. They both were paid 7.50 an hour, and jaynes paycheck was $60. How many hours did susan work this week? (susan earns half the amount jayne earns)

if possible i was wondering if you could do this problem step by step so i will know how to do it and please respond back too it as quickly as possible?
Click here to see answer by checkley77(12844)

Question 218400: 6(x-3)-13(x-2)=1
Click here to see answer by rfer(16322)

Question 218400: 6(x-3)-13(x-2)=1
Click here to see answer by checkley77(12844)

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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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, 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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