7(-2y)+9y=-45

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Solution for 7(-2y)+9y=-45 equation: 



7(-2y)+9y=-45

We move all terms to the left:

7(-2y)+9y-(-45)=0

We add all the numbers together, and all the variables

9y+7(-2y)+45=0

We multiply parentheses

9y-14y+45=0

We add all the numbers together, and all the variables

-5y+45=0

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

-5y=-45

y=-45/-5

y=+9

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