Question

9.. The solution of the equation x-y=2 and x+y=4 is​

Answer 1

x-y=2

x=2+y        ----(i)

x+y=4

From equation (i)

y+2+y=4

2y=2

y=1           -------(ii)

From equation (ii)

x=2+y

x=3

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Answer 2

this answer is correct......