7(y-1)=9y+13

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Solution for 7(y-1)=9y+13 equation: 



7(y-1)=9y+13

We move all terms to the left:

7(y-1)-(9y+13)=0

We multiply parentheses

7y-(9y+13)-7=0

We get rid of parentheses

7y-9y-13-7=0

We add all the numbers together, and all the variables

-2y-20=0

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

-2y=20

y=20/-2

y=-10

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