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Question

Solve the following equation and verify your answer:
2-yy+7=35

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Solution

2-yy+7=35or 10-5y=3y+21 (After cross multiplication)or 3y+5y=10-21or 8y=-11or y=-118 y=-118 is the solution of the given equation.Check:Substituting y=-118 in the given equation, we get:L.H.S.=2--118-118+7=16+11-11+56=2745=35R.H.S.=35 L.H.S.=R.H.S. for y=-118

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