-21=-7(y+2)

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Solution for -21=-7(y+2) equation: 



-21=-7(y+2)

We move all terms to the left:

-21-(-7(y+2))=0



We calculate terms in parentheses: -(-7(y+2)), so:

-7(y+2)

We multiply parentheses

-7y-14

Back to the equation:

-(-7y-14)



We get rid of parentheses

7y+14-21=0

We add all the numbers together, and all the variables

7y-7=0

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

7y=7

y=7/7

y=1

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