Respuesta :

cdbuck
If we plug in x, we should be able to find y because then there's only 1 unknown value in the equation.
y=8-2x
y=8-2(8)
y=8-16
y=-8
cjack3
When you substitute 8 in for the x in 8-2x. You get 8-2(8) or 8-16 which is -8. 

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