2x-y=7, x+y=5

1.	2x-y=7, x+y=5
Answer» 2x-y=72x=7+yy=2x-7 (i)now, x+y=5 (ii) (putting value of y in (ii)) x+2x-7=5 3x=5+7 3x=12 x=12/3 x=4 putting value of x in (i)y=2(4)-7y=8-7y=1

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