Question

if X + Y is equal to 12 at x minus Y is equal to 4 what is the value of Y

Answer 1

Hey dear friend

x+y=12 eq.1
x-y=4. eq.2

By solving eq.1 and eq.2

2x=16
x=8

Substituting x=8 in eq.1
8+y=12
y=12-8
y=4

So, the value of y=4

perfectly fine pure correct answer
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Answer 2

Hope it helps u........