9=7-(2y)

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



9=7-(2y)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2y-7+9=0

We add all the numbers together, and all the variables

2y+2=0

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

2y=-2

y=-2/2

y=-1

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