Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 535588: How do i work out 7x - 2 = -5x +70 ? I have to find the value of 'x' and i need the setting out too..
Click here to see answer by jim_thompson5910(35256)

Question 536601: I posted the problem right out of the book so my problem is:
Solve
-x/6=2/9
I'm not sure where to even start to solve this problem.
Click here to see answer by rfer(16322)

Question 536606: 5c-3bc+b-(-c-b-3bc)
simplify show all wrk

Click here to see answer by jim_thompson5910(35256)

Question 536607: solve show all wrk
14-9(4-3q)= -5 (q+6) - 7q

Click here to see answer by jim_thompson5910(35256)

Question 536612: Find the slope and y-intercept of the line in the given equation.
y= 3/4 x -2

Click here to see answer by jim_thompson5910(35256)

Question 536612: Find the slope and y-intercept of the line in the given equation.
y= 3/4 x -2

Click here to see answer by fcabanski(1391)

Question 536620: Solve 1-m=6-6m for m
Click here to see answer by jim_thompson5910(35256)

Question 535182: 6+10x=96x x=?
Click here to see answer by jim_thompson5910(35256)

Question 535065: 8(5x+7)(4x-7)=0
Click here to see answer by jim_thompson5910(35256)

Question 536617: Solve. Please show all of your work.
If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find all three integers.

Click here to see answer by boilpoil(127)

Question 536721: Remove parenthesis and collect like terms
45y-(12y+50)=
Click here to see answer by nerdybill(7384)

Question 535101: I take any two numbers which I call a and b (lets say 2 and 3). These are my first 2 numbers. I then add them together to give my 3rd number (in this case 5), then to get my 4th number I add the second and third numbers (8). My 5th number is the sum of the third and forth numbers (5 + 8 = 13). My 6th is the sum of the forth and fifth etc until I have 10 numbers (if I start with 2 and 3 they would be 2, 3, 5, 8, 13, 21, 34, 55, 89, 144) Add these 10 numbers together.I can find the answer in my head before you can using a calculator using algebra. Please help me work out this question i have to find out how to use algebra to find the answer.Please help. thank you.
Click here to see answer by octogirl(7)

Question 536717: express in its simplist form : x+7 over 5 add 3-x over 4 please :)
Click here to see answer by Earlsdon(6294)

Question 536766: how do you divide problems with variables.
Such as
(4x^3-3x^2+7x-19)/x-2
i've tried looking in my text book but they don't show what to do when their is addition of the denominator.
Click here to see answer by fcabanski(1391)

Question 536778: 2x-5y= -3
2x+5y=4
determine whether each pair represents perpendicular lines

Click here to see answer by fcabanski(1391)

Question 536811: 6a+5a=-11

Click here to see answer by jim_thompson5910(35256)

Question 536840: 9+4=3x+4x
Click here to see answer by fcabanski(1391)

Question 536890: (−2, −5), x − 2y = 3
Write an equation of the line containing the specified point and perpendicular to the indicated line

Click here to see answer by mananth(16946)

Question 536877: -8x - 45 = 2 - 15x

5x over 8 + 14 = 3x over 4 - 38

-3x - 7 = -5x + 8
(-5)(-4)(12)over -9 Please help thank you this counts a lot for my grade. please help i am screwed if i don't get these answered
Click here to see answer by jim_thompson5910(35256)

Question 536940: solve by elimination method
0.3x-0.2y=4
1.04x+0.5y=1
Click here to see answer by mananth(16946)

Question 537103: My son is doing one step problems here is the problem 12y+7=21 y=?
Click here to see answer by Earlsdon(6294)

Question 537103: My son is doing one step problems here is the problem 12y+7=21 y=?
Click here to see answer by MathTherapy(10551)

Question 537115: 8x - 5 = 2x + 1
Click here to see answer by jim_thompson5910(35256)

Question 537171: Help solve equation 3x + 3=x+9
Click here to see answer by jim_thompson5910(35256)

Question 537112: I have figured on my calculator that 10/33 * -5 * -11/24 = 25/36, but I can't figure out how to explain my answer?

Click here to see answer by KMST(5328)

Question 537253: How many liters of a 10% acid solution must be mixed with a 50% acid solution in order to obtain 25 litres of a 30% solution?
Click here to see answer by richwmiller(17219)

Question 537294: m^2-m=6 =m^2-m-6=0 I need details on the solution please
Click here to see answer by jim_thompson5910(35256)

Question 537495: A triangle has an area of 28 square inches. The base of the triangle is 6 inches less tham twice the hieght. What is the length o the base o the triangle?
I keep getting 7, but the correct answer is 8? I'm not sure if that is correct or if I'm doing something wrong.
Click here to see answer by bucky(2189)

Question 537639: Tammy wants to rent a movie form the video store. The membership fee is $15 per month, plus $4 per movie. Write an expression that can be used to find the cost to rent v videos.
Tammy spent $103 at the video store, how many videos did she rent?
Click here to see answer by stanbon(75887)

Question 537638: Tim wants air conditioning in his room. The air conditioner costs $45. Each day the electricity costs $2. Write an expression that can be used to find the cost to run the air conditioner for d days
If Tim spent $85 to cool his room, how many days did he run the air conditioner?
Click here to see answer by stanbon(75887)

Question 537719: 1/5n + 4/5n + -1/5n=

Click here to see answer by jim_thompson5910(35256)

Question 537721: Please solve.
4(x+2)=
Click here to see answer by jim_thompson5910(35256)

Question 537714: solve please
-36x/24x=

Click here to see answer by jim_thompson5910(35256)

Question 537722: The value of x is 6,what is the value of m?
7x-12= 5x+m
Click here to see answer by jim_thompson5910(35256)

Question 537722: The value of x is 6,what is the value of m?
7x-12= 5x+m
Click here to see answer by solver91311(24713)

Question 537718: Write equations for the horizontal and vertical lines passing through the point (-6,3)
Click here to see answer by jim_thompson5910(35256)

Question 537728: solve -8x - 45 = 2 - 15x
Click here to see answer by jim_thompson5910(35256)

Question 537730: what is teh slope of 2x+y=3
Click here to see answer by jim_thompson5910(35256)

Question 537625: What is the solution of the equation 7(x � 2) + 8 = 3(2x + 3)?

Click here to see answer by jim_thompson5910(35256)

Question 537570: I can't find the answer for 2/5h -7 = 12/5h - 2h + 3
Click here to see answer by jim_thompson5910(35256)

Question 537754: Put these numbers from LEAST to Greatest.
0, -3, 3, -6
Click here to see answer by TMils(8)

Question 537524: The sum of two decimal numbers is 5.3. Their difference is 1.7, and their product is 6.3. what are the two numbers
Click here to see answer by ankor@dixie-net.com(22740)

Question 537944: if Y=9 whats y=4x+1
Click here to see answer by solver91311(24713)

Question 538108: how do you solve n/8=5
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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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, 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