(7y+9)=135

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Solution for (7y+9)=135 equation: 



(7y+9)=135

We move all terms to the left:

(7y+9)-(135)=0

We get rid of parentheses

7y+9-135=0

We add all the numbers together, and all the variables

7y-126=0

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

7y=126

y=126/7

y=18

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