SOLUTION: -3x+2y=11 3x-4y=-19 use addition method solve for x and y to get coordinate

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Question 162417: -3x+2y=11
3x-4y=-19
use addition method
solve for x and y to get coordinate
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
-3x+2y=11
3x-4y=-19
use addition method
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Add the two equations to solve for "y":
2-y = -8
y = 4
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Substitute into 3x-4y = -19 to solve for "x":
3x -4(4) = -19
3x - 16 = -19
3x = -3
x = -1
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Ans: x = -1 ; y = 4
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Cheers,
Stan H.