Questions on Algebra: Equations answered by real tutors!

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Question 631610: solve sysyem of three equation
2x+y-z=10
6x+5y-2z=23
3x-y+z=5
please show all work
Click here to see answer by Maths68(1474)

Question 631615: Solve the equation and check.
A. -3(x-3)=2x
Click here to see answer by Maths68(1474)

Question 631651: Peform the indicated operation. Simplify

3x^2/9y/7x/14y
Click here to see answer by Maths68(1474)

Question 631654: 2 5/6 x 1 5/6= ?
please show me the steps to solving this
Click here to see answer by Maths68(1474)

Question 631609: Solve sysyem of three equations
3x+4y+z=14
2y+7z=24
-2y+3z=5
please show all work
Click here to see answer by bucky(2189)

Question 631681: what are the steps for 2a+3b
a=4
b=5
Click here to see answer by lenny460(1073)

Question 630990: Multiply b/s by a
Click here to see answer by 55305(86)

Question 631787: Solve for m
c=1/2 mp
Click here to see answer by 55305(86)

Question 631753: x^2 - 4x - 3= 0
Click here to see answer by 55305(86)

Question 631752: 5x^2= 2 + 3x
Click here to see answer by 55305(86)

Question 631794: 20(3+4x)-7(8-6x)=150
Click here to see answer by jim_thompson5910(35256)

Question 631913: What are the solutions to |4w+12|=16?
Click here to see answer by 55305(86)

Question 631913: What are the solutions to |4w+12|=16?
Click here to see answer by Tatiana_Stebko(1539)

Question 631945: (-6x8y3)(7x3y)(-xy4)
Click here to see answer by lenny460(1073)

Question 632017: Hi, can you help me with this?
i. Find an equation of the line that passes through the point (2, 4) and is perpendicular to the line 3x + 4y -22=0.
ii. Find an equation of the line passing through (-5, -4) and parallel to the line passing through(-3, 2) and (6, 8).

Click here to see answer by Maths68(1474)

Question 632055: How can you say that a Quadratic Equation is in a Standard Form?
Answer immediately. Thanks.
Click here to see answer by Theo(13342)

Question 632054: How can you say that a Quadratic Equation is in a Standard Form?
Answer immediately. Thanks.
Click here to see answer by ewatrrr(24785)

Question 632131: Mark had 3 times more marbles than Isabella. Isabella had 2/3 as many marbles as Jack. How many marbles did Mark, Isabella, and Jack have? Write algebraic equation and solve.
Click here to see answer by ewatrrr(24785)

Question 632138: 8(3x-4)=4(6x+7)
Click here to see answer by ewatrrr(24785)

Question 631726: Multiply:
(2x -4) (x^2 -x -1 )

Thanks in advance for ALL your HELP, advice and Tips!
Click here to see answer by Tatiana_Stebko(1539)

Question 632254: 15y^2-10y=5y( ) Complete the factoring.
Thank you!
oh gosh thank you jim! you're a genius!
Click here to see answer by jim_thompson5910(35256)

Question 632254: 15y^2-10y=5y( ) Complete the factoring.
Thank you!
oh gosh thank you jim! you're a genius!
Click here to see answer by whesleysgirl(1)

Question 632324: 2/5x-1/4x+6=3/10x
Click here to see answer by richwmiller(17219)

Question 632360: x +2/3x+3(x) =99
Click here to see answer by ewatrrr(24785)

Question 632452: Can u go over a problem with me then test me to see if i did it write

Click here to see answer by Alan3354(69443)

Question 632438: Equation: 9-5+5x0+3=...? I believe the answer is 1, is that correct?
5x0=0
5+3=8
9-8=1
Click here to see answer by solver91311(24713)

Question 632471: Complete the trinomial so it is a perfect square. x^2 - 8x + ___
Click here to see answer by solver91311(24713)

Question 632497: Write an equation to describe the relation shown in the table.
x -2 -1 0 1 4
_______________
y 8 4 0 -4 -16
Click here to see answer by Alan3354(69443)

Question 632496: A Japanese bullet train leaves the station traveling west at 164 mph. A pigeon which was resting on the train is startled, and starts flying east at 40 mph. After two hours, how far about are the pigeon and the train?
Draw a table and a diagram.
Click here to see answer by Alan3354(69443)

Question 632498: Write an equation for a line that is parallel to the x-axis.
What would be the y-intercept and x-intercept for the line of the equation above?
Click here to see answer by Alan3354(69443)

Question 632542: what is the solution for c+(4-3c)-2=0
Click here to see answer by Maths68(1474)

Question 632540: I need help! 5x+7(x+1)+9
Click here to see answer by lenny460(1073)

Question 632629: Multiply and simplify. Show your steps.
square root of 15b times square root of 3b
Click here to see answer by ewatrrr(24785)

Question 632634: Given the equation y= -4/3 x + 1 find the coordinates of the point (-6), (-3), and (6,)
Click here to see answer by ewatrrr(24785)

Question 632618: Write a system of two inequalities that has no solution.
Click here to see answer by unlockmath(1688)

Question 632645: If my equation is 3 + the square root of 3a+3 =9, how would I provide the check after I have the equation solved? The square part throws me off when I go to write out the check.
Click here to see answer by Edwin McCravy(20054)

Question 632665: Can you Help me with this equation: (-2/3)D-5/6=(3/4)D+(1/2)D+5/8
Click here to see answer by ewatrrr(24785)

Question 632668: A bullet train leaves the station traveling west at 164 mph. a pigeon starts flying east at 40 mph. After two hours, how far apart are the pigeon and the train?
I have a diagram and have solved the equation but have struggled with putting my info into a table. Please help. This is my start.
rate(mph)
train 164
pigeon 40

Click here to see answer by ewatrrr(24785)

Question 632689: simplify: (6x/5y)(10y/8x)
Click here to see answer by Tatiana_Stebko(1539)

Question 632774: 7-4+(3*0)+1=

Click here to see answer by stanbon(75887)

Question 632843: solve y^2+14y=32 by completing the square,..thnks
Click here to see answer by rapaljer(4671)

Question 632843: solve y^2+14y=32 by completing the square,..thnks
Click here to see answer by stanbon(75887)

Question 632619: Is the inequality -x-4y>3 in the correct form for graphing? Explain
Click here to see answer by KMST(5328)

Question 632896: I am homeschooling, I am in interrgated algebra, 0n chatper 5 test numbers 24, 25 26-A,B,C I haved worked and worked to get the right answers but none of it
seems to be right. please help does anyone out there have an interrgated algebra book that they can help me
Click here to see answer by Edwin McCravy(20054)

Question 632888: How do you work this out? I feel real stupid but it has been a long time for me.
n(n-1)/2 = 21
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, 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