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Answer: x=2 y=8
Explanation:
Substitute y into the second equation
x = 18 - 2(2x+4)
x=18-4x-8
x=10-4x
5x=10
x=2
substitute x into either equation and solve for y. It's easier to substitute into first.
y=2(2)+4
y=4+4
y=8
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