x + y = 20
x - y = 4
Add the equations to obtain 2x = 24
So, x = 12 and y = 20 - x = 8
Carter E.
asked 07/29/19x + y = 20
x - y = 4
Add the equations to obtain 2x = 24
So, x = 12 and y = 20 - x = 8
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