-9y=-7y-4

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Solution for -9y=-7y-4 equation: 



-9y=-7y-4

We move all terms to the left:

-9y-(-7y-4)=0

We get rid of parentheses

-9y+7y+4=0

We add all the numbers together, and all the variables

-2y+4=0

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

-2y=-4

y=-4/-2

y=+2

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