Question 121594This question is from textbook
: 2y+x=1
y-2x=8
But I really need help with it all.
This question is from textbook
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! 2y+x=1
y-2x=8
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Solve the 2nd equation for "y": y = 2x+8
Substitute into the 1st to solve for "x":
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2(2x+8)+x=1
4x+16+x=1
5x=-15
x = -3
Substitute into y=2x+8 to solve for y:
y = 2*-3+8
y = 2
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Cheers,
Stan H.
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