Question

if x+y=7 and x-y =1 then value of y is
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Answer 1

BEING SHORT ;

 THE VALUE OF Y WILL BE 3 AND THAT OF X WOULD BE 4

YOU CAN VERIFY BY PLACING THE VALUES OF X AND Y IN THE RESPECTIVE EQUATION AND VERIFY THE RESPECTIVE RESULTS

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Answer 2

X = 4,y=3
Steps:
4+3=7
4-3=1