Questions on Algebra: Systems of Linear Equations answered by real tutors!

Tutors Answer Your Questions about Linear-systems (FREE)

Question 970362: solve by elimination
7x+2y=11
-2x+3y=29
Click here to see answer by MathLover1(20850)

Question 970386: Cheerleaders sold foam fingers for five dollars each and wristbands for four dollars each. They sold forty more wristbands than foam fingers. They made $965 in total sales. Help me see the linear equations for this problem
Click here to see answer by lwsshak3(11628)

Question 970535: Solve the system { 2x-3y=5
4x+5y=6
using the elimination method ?
Click here to see answer by MathLover1(20850)

Question 970574: X/y�6/5 find value of y show me work
Click here to see answer by Alan3354(69443)

Question 970632: 38=6x+5x-6
What does x equal?
Click here to see answer by Horlaye(27)

Question 970679: Hello tutor, I really need your help solving this question please.
Solve the system: 2x + y = 5
x � y = 13
Click here to see answer by Fombitz(32388)

Question 970685: Hello Tutor, I really need your help solving this question please.
Solve the system: y = x2 + 5
6x � y = 3
Click here to see answer by Boreal(15235)

Question 970685: Hello Tutor, I really need your help solving this question please.
Solve the system: y = x2 + 5
6x � y = 3
Click here to see answer by fcabanski(1391)

Question 970684: Hello tutor, I really need your help solving this question please.

Bobby is three years older than twice Arianna�s age. If the total of their ages is 9, how old is Bobby, and how old is Arianna?
Click here to see answer by Fombitz(32388)

Question 970725: 3^x+2^y=17 & x+y=5, then find x& y
Click here to see answer by Alan3354(69443)

Question 970918: y=2x-4
y=6x+4
and i need help graphing it with a sketch of the graph
Click here to see answer by Boreal(15235)

Question 970918: y=2x-4
y=6x+4
and i need help graphing it with a sketch of the graph
Click here to see answer by MathLover1(20850)

Question 971004: solve by substitution method
y=2x-5
2y-x=2
Click here to see answer by Boreal(15235)

Question 971246: how do u do substitution for systems of equations when one line is a quadratic
Click here to see answer by Theo(13342)

Question 971560: Can you help me solve an multi-step equation
-219+10x=57-2x

Click here to see answer by Boreal(15235)

Question 971543: I need help in solving a system of linear equations.
I need to find the solution for each variable, but I have no idea how to solve a problem like this with the variables as the denominators.
2/x-2/y+1/z=-1
4/x+1/y-2/z=-9
1/x+1/y-3/z=-9
Click here to see answer by Edwin McCravy(20056)

Question 971681: How To Do Systems of linear equations its complicated

Click here to see answer by Alan3354(69443)

Question 971646: Find the approximate solution of this system of equations.
y = |x^2 − 3x + 1|
y = x − 1

a. (1, 0)
b. (4.5, 3.5)
c. (2, 1)
d. (3.4, 2.3)
e. (0.6, -0.4)
Click here to see answer by josgarithmetic(39617)

Question 971786:
Identify the solution(s) of the system of equations, if any.
4x + 2y = 1
y = 5 - 3x

(�8.5, �4.5)

(�8.5, 4.5)

(�4.5, �8.5)

(4.5, �8.5)

Click here to see answer by amarjeeth123(569)

Question 971790: How do I find the slope of
Click here to see answer by amarjeeth123(569)

Question 971790: How do I find the slope of
Click here to see answer by Edwin McCravy(20056)

Question 971841: how to solve this? |2x+3|=3
Click here to see answer by Boreal(15235)

Question 971836: (k-1)x-y=5,(k+1)x+(1-k)y=(3x+1)
Click here to see answer by josgarithmetic(39617)

Question 972142: x+y=130
4*x=(x+y-x)/3
code=xy
Click here to see answer by Alan3354(69443)

Question 972166: Hakim invested $15,000. He put part in a term deposit that paid 4% per annum, and the remainder in T - bills at 5% per annum. After one year the total interest earned was $690. How much did Hakim invest at each rate?
Click here to see answer by Boreal(15235)

Question 972203: If the average of 27-x, x-8, and 3x+11is y, what is the average of 2y and 2y over 3?
Click here to see answer by Boreal(15235)

Question 970994: y = x2 − 2x − 19
y + 4x = 5
The pair of points representing the solution set of this system of equations is (-6, 29) and?
Click here to see answer by Fombitz(32388)

Question 972183: y=6x-4
2y-x=-8
Click here to see answer by checkley77(12844)

Question 972322: Find the value of k if 5x + 7y = k and 10x +19y = 3 have infinite number of solutions
Click here to see answer by Edwin McCravy(20056)

Question 972320: Find the value of k if 5x +7y = k and 10x + 14y = 3 have infinite number of solutions.
Click here to see answer by stanbon(75887)

Question 972480: 8x-4y=16
8x+4y=16
solving systems of equations graphically
Click here to see answer by Alan3354(69443)

Question 972509: could someone give me a hand with this I can't quite wrap my head around it.
4x+y=6 , x+y=3
any help you can give would be appreciated
Click here to see answer by Alan3354(69443)

Question 972627: Draw the graph for the linear function:
3x-2y = 6
Click here to see answer by rfer(16322)

Question 972676: doing equations with 3 unknowns having a hard time with this any help would be appreciated
3x+3y=3
-3x-2z=-11
y+z=-1
Click here to see answer by lwsshak3(11628)

Question 972660: What is the equation of the line described below written in slope-intercept form?
the line passing through point (-1, 5) and parallel to the line whose equation is x + y = 10
Click here to see answer by lwsshak3(11628)

Question 972726: Find the equation of linear depreciation and the value of the car 5 years from now.
A car cost $20,000 and depreciates linearly at the rate of $3000 per year.

Click here to see answer by stanbon(75887)

Question 972663: �Identify where (in terms of x) the linear equation is less than the quadratic equation. Express your answer as an interval or an inequality.(x + 3)2 > -2*x + 10.
Click here to see answer by josgarithmetic(39617)

Question 972905: A no: consisting two digits in seven times the sum of two digits when 27 is subtracted from the no: the digit are reversed.find the no: ?
Click here to see answer by josgarithmetic(39617)

Question 973121: Linear function created.
Exponential function created.
i need graphs for this equation 5x^2+6x+1=0
Click here to see answer by macston(5194)

Question 973200: If its like this 2+y(5-y) is it a factorised form?
Click here to see answer by Alan3354(69443)

Question 973280: I tried this problem but still do not have the answer.
Find the equation of the line that passes through the point (12,6) with a slope of - 3/4
Could you send the solution.
Click here to see answer by Boreal(15235)

Question 973309: if y=2x and y=6-x then x= ?
Click here to see answer by macston(5194)

Question 973436: The sum of two consecutive numbers is 77. The difference of half of the smaller number and one-third of the larger number is 6. If x is the smaller number and y is the larger number, which two equations represent the sum and difference of the numbers?
Click here to see answer by Alan3354(69443)

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