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Y=4-x (equation 1) Y=x-4 (equation 2) substitute equation 1 into 2 4-x = x-4 2x=8 x= 4

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(1) Answers

Y=4-x (equation 1) Y=x-4 (equation 2) substitute equation 1 into 2 4-x = x-4 2x=8 x= 4

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