-9(b+3)=42

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Solution for -9(b+3)=42 equation: 



-9(b+3)=42

We move all terms to the left:

-9(b+3)-(42)=0

We multiply parentheses

-9b-27-42=0

We add all the numbers together, and all the variables

-9b-69=0

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

-9b=69

b=69/-9

b=-7+2/3

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