Question

if x+y =12 and x-y=4 find xy

Answer 1

X+Y=12

X-Y=4

DO Y WILL BE CANCEL OUT DUE TO OPPOSITE SIGNS

2X=16

X=16/2

X=8

FOR Y PUT THE VALUE OF X

8+Y=12

Y=12-8

Y=4

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Answer 2

Answer:

8,4

Step-by-step explanation:

hope helps you

8+4=12

4-8=4