SOLUTION: Please help me solve the linear system by giving me the cordinates
15x + y =70
3x - 2y =-8
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Question 952247: Please help me solve the linear system by giving me the cordinates
15x + y =70
3x - 2y =-8
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Please help me solve the linear system by giving me the cordinates
15x + y =70
3x - 2y =-8
=============================
Multiply the 1st eqn by 2, then add.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Please help me solve the linear system by giving me the cordinates
15x + y =70
3x - 2y =-8
--------
Modify::
30x + 2y = 140
3x - 2y = -8
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Add and solve for "x":
33x = 132
x = 4
-----
Solve for "y"::
y = -15x + 70
y = -15*4 + 70
y = 10
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Cheers,
Stan H.
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