-7(b+3)=28

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Solution for -7(b+3)=28 equation: 



-7(b+3)=28

We move all terms to the left:

-7(b+3)-(28)=0

We multiply parentheses

-7b-21-28=0

We add all the numbers together, and all the variables

-7b-49=0

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

-7b=49

b=49/-7

b=-7

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