0
y = x-2
y = -2x+7
Move x and -2x to the other sides of the equations noting that the + and - signs will change in order to keep the equations in balance:
y-x = -2
y+2x = 7
Subtract the bottom equation from the top equation:
-3x = -9
Divide both sides by -3 to find the value of x:
x = 3 and y = 1
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Earn +20 ptsQ: Y equals x-2 and y equals -2x plus 7?
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