7(y+9)=91

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Solution for 7(y+9)=91 equation: 



7(y+9)=91

We move all terms to the left:

7(y+9)-(91)=0

We multiply parentheses

7y+63-91=0

We add all the numbers together, and all the variables

7y-28=0

We move all terms containing y to the left, all other terms to the right

7y=28

y=28/7

y=4

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