-6(-6-5b)-5(7b+1)=21

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Solution for -6(-6-5b)-5(7b+1)=21 equation: 



-6(-6-5b)-5(7b+1)=21

We move all terms to the left:

-6(-6-5b)-5(7b+1)-(21)=0

We add all the numbers together, and all the variables

-6(-5b-6)-5(7b+1)-21=0

We multiply parentheses

30b-35b+36-5-21=0

We add all the numbers together, and all the variables

-5b+10=0

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

-5b=-10

b=-10/-5

b=+2

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