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

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Question 922071: Input in standard form the equation of the given line.
The line through (0, -3) and (3, 0)
Click here to see answer by ewatrrr(24785)

Question 922079: Solve the system of equations. (If the system is dependent, enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.)
2x + y − z = −9
3x + 2y + 3z = 25
7x + 4y + z = 7
(x, y, z) =
Click here to see answer by ewatrrr(24785)

Question 922118: On mr. Varum's most recent test, students were awarded 6 points for a correct response amd lost 3 points for incorrect responses. There were a total of 40 questions on the test.
.what would your score if you answered 34 questions correctly?
.what would your score be if you answered 19 questions incorrectly?
Click here to see answer by ewatrrr(24785)

Question 922374: What is the solution to the system of equations?
x + y = 2
x - y = 4
Click here to see answer by MathLover1(20850)

Question 922471: a line passes through an orgin of a slope of -3 what is the equation of a line that is perpendicular to the first line and passes through the point (3,4)
Click here to see answer by ewatrrr(24785)

Question 923081: solve this problem using elimination substitution and graphing
1)p+3q=16
p+q=6
Click here to see answer by MathLover1(20850)

Question 923166: Solve the equation:
Z = 4x + y
knowing that:
x + 2y <= 40
x + y <= 30
2x + 3y <= 66
both x and y are >= 0
Click here to see answer by Fombitz(32388)

Question 923166: Solve the equation:
Z = 4x + y
knowing that:
x + 2y <= 40
x + y <= 30
2x + 3y <= 66
both x and y are >= 0
Click here to see answer by chawki(7)

Question 923742: A 200-pound person uses 5.29 calories per minute when walking at work. If Julie walks 40 minutes each day, how many days will it take Julie to walk off at least 500 calories?
Click here to see answer by Alan3354(69443)

Question 923758: {4x+y=24
X+2y=2
Click here to see answer by stanbon(75887)

Question 923739: One side of a triangle is three times a long as a second side, and the third side is 14 meters. If the perimeter can be no longer than 86 meters find the maximum lengths of the other two sides.
Please help.
Click here to see answer by Cromlix(4381)

Question 923862: David's mass is 5kg less than john's, who in turn is 8kg lighter than than paul. If their total mass is 197kg, how heavy is each person?
Click here to see answer by TimothyLamb(4379)

Question 924061: solve 8/x - 5/y = 34, 3/x - 2/y = 13, where x not = 0, and y not = 0
Click here to see answer by Alan3354(69443)

Question 924057: The pair of equations 3x + 4y = k, 9x +12y = 0 has infinitely many solution if k = ?
Click here to see answer by Theo(13342)

Question 924054: the pair of linear equations 3x + 7y = k, 12x + 2ky = 4k + 1 do not have any solutions if k = ?
Click here to see answer by MathLover1(20850)

Question 924063: A car travels 25km an hour faster than a bus for a journey of 500km. if the bus takes 10 hours more than the car, the speed of the car and the bus is

Click here to see answer by TimothyLamb(4379)

Question 924189: Solve the following system of linear equations graphically and check.
2y-8=10x
Y+2x=-3
Click here to see answer by ewatrrr(24785)

Question 924161: I am having a problem with a setting up a linear programming word problem. Once I have the set up I am able to graph it fine. Please give assistance with the set up.
A trip requires bus and van rentals. Each bus has 40 seats and 1 handicapped seat. Vans have 8 seats and 3 handicapped seats. Rental costs is $350 for each van and $975 for each bus. If 320 seats and 36 handicapped seats are required, how many vehicles of each type should be rented to minimize cost?
Thank you for your help.
David
Click here to see answer by Theo(13342)

Question 924228: x+y=8
2x-y=6
Click here to see answer by ewatrrr(24785)

Question 924234: 2x=3-y
2y=12-x
Click here to see answer by TimothyLamb(4379)

Question 924231: 3x=-18+2y
x+3y=4
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Question 924230: 4x-1/3y=8
5x+1/3y=6
Click here to see answer by TimothyLamb(4379)

Question 924229: 9x+2y=26
1.5x-2y=13

Click here to see answer by TimothyLamb(4379)

Question 924293: Solve the system of equations. (If the system is dependent, enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.)
x + 3y - 4z = 17
4x - y + z = 17
3x + 4y - 3z = 24
(x, y, z)=
Click here to see answer by TimothyLamb(4379)

Question 924292: Solve the system of equations. (If the system is dependent, enter a general solution in terms of c. If there is no solution, enter NO SOLUTION.)
2x + y - z = -9
3x + 2y + 3z = 29
7x + 4y + z = 11
(x, y, z) =
Click here to see answer by TimothyLamb(4379)

Question 924358: if x + 4/y = 4 and y + 6/x = 6, then find (x,y)
Click here to see answer by ptaylor(2198)

Question 924450: Click on the equation for a line that passes through these coordinates:
(4, 3) (8, 4)
Click here to see answer by MathLover1(20850)

Question 924450: Click on the equation for a line that passes through these coordinates:
(4, 3) (8, 4)
Click here to see answer by Edwin McCravy(20056)

Question 924833: the length of a rectangular patio is twice the width. if the perimeter is 84 feet, then what are the length and width?
Click here to see answer by ewatrrr(24785)

Question 924846: 5y=22
Click here to see answer by ewatrrr(24785)

Question 924879: x+y=10
y=4x
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Question 924835: ]the singles court in tennis is 4 yards longer than it is wide. if its perimeter is 44 yards, then what are the length and width?]

Click here to see answer by TimothyLamb(4379)

Question 924945: Mr.walker invested 30,000 in stocks and bonds and had a total return of $2880 in one year . If his stock investment returned 10% and his bond returned 9% , then how much did he invest in each ?
Click here to see answer by stanbon(75887)

Question 924998: How to convert the following equation in intercept form? please help.
2y=-10x-52
Click here to see answer by Alan3354(69443)

Question 925044: Solve the following equation and write the value of Y in the answer box.

Solve by finding the value of Y in
2Y + 1 = 17

Click here to see answer by jim_thompson5910(35256)

Question 925194: Rashi travels 300km to her home partly by train and partly by bus. She takes 4 hours to travel 60km by train and the remaining by bus. If she travels 100km by train and the remaining by bus she takes 10 minutes longer. . Find the speed of train and bus separately.
Click here to see answer by josmiceli(19441)

Question 925413: Winston is 8 years older than Xavier. In 2 years, Winston will be twice as old as Xavier. How old is each one now?
Click here to see answer by ewatrrr(24785)

Question 925641: Graph each equation
x-y=-1
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Question 925658: Solve for the indicated variable. Include all of your work in your answer. Submit your solution.
P = 2L + 2W ; for L

Click here to see answer by MathLover1(20850)

Question 925732: Pat pays $250 to be a gym member for 2 months and $550 to be a member for 6 months. What is the monthly cost of a gym membership?
Click here to see answer by ewatrrr(24785)

Question 925737: On graph paper, graph the two lines associated with the equations in this system of equations.
3x + 2y = 13
2x + 3y = 12
Determine the solution to the system and check your solution in both equations. Input the solution to the system, putting the solution in ordered pair (x, y) form.

Click here to see answer by TimothyLamb(4379)

Question 925780: what is the answer of these using elimination method
eq1 {3x-3000y=3}
eq2 {2x+1y=11oo
pls help me to solve
Click here to see answer by stanbon(75887)

Question 925777: what the answer of these using elimination method
3x-3000y=3
2x+1y=1100
Click here to see answer by TimothyLamb(4379)

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