-7=5(y-5)-7y

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Solution for -7=5(y-5)-7y equation: 



-7=5(y-5)-7y

We move all terms to the left:

-7-(5(y-5)-7y)=0



We calculate terms in parentheses: -(5(y-5)-7y), so:

5(y-5)-7y

We add all the numbers together, and all the variables

-7y+5(y-5)

We multiply parentheses

-7y+5y-25

We add all the numbers together, and all the variables

-2y-25

Back to the equation:

-(-2y-25)



We get rid of parentheses

2y+25-7=0

We add all the numbers together, and all the variables

2y+18=0

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

2y=-18

y=-18/2

y=-9

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