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If x+y=16 and x-y=-2, what is the value of xy?
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If x+y=16 and x-y=-2, what is the value of xy?

User Chharvey
by
4.6k points

1 Answer

2 votes

Answer:

Y=7 and

X=9

Explanation:

X+Y=16

X=2+Y

2+Y+Y=16

2+2Y=16

2Y=16-2

2Y=14

2Y/2=14/2

Y=7

X =2+Y

So X=9

User Brandon
by
4.4k points
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