Substitute y = 3x-4 x+y=8

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Substitute

y = 3x-4

x+y=8

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21 votes

Subt y=3x-4 into x+y=8

x+3x-4=8

4x=12

x=3

y=3(3)-4

y=5

Rmondesilva answered Sep 11, 2023

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