Answer
$x=6$
$y=2$
$(6,2)$
Work Step by Step
$x+y = 8$ $(1)$
$x-y=4$ $(2)$
Add Equation $(1)$ and Equation $(2)$ and we get
$2x=12$
$x=6$
Substitute this back into Equation $(1)$
$6+y=8$
$y=2$
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