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Question

Solve the following equations and verify your answer :

2yy+7=35

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Solution

2yy+7=35

By cross multiplication :

3(y+7)=5(2y)

3y+21=105y

3y+5y=1021 (By transposition)

8y=11y=118

y=118

Verification :

L.H.S.=2yy+7=2+118118+7

=16+11811+568=278458=278×845=2745=35=R.H.S.


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