-78=-6(y+7)

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Solution for -78=-6(y+7) equation: 



-78=-6(y+7)

We move all terms to the left:

-78-(-6(y+7))=0



We calculate terms in parentheses: -(-6(y+7)), so:

-6(y+7)

We multiply parentheses

-6y-42

Back to the equation:

-(-6y-42)



We get rid of parentheses

6y+42-78=0

We add all the numbers together, and all the variables

6y-36=0

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

6y=36

y=36/6

y=6

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