5+7(6b+3)=-100

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Solution for 5+7(6b+3)=-100 equation: 



5+7(6b+3)=-100

We move all terms to the left:

5+7(6b+3)-(-100)=0

We add all the numbers together, and all the variables

7(6b+3)+105=0

We multiply parentheses

42b+21+105=0

We add all the numbers together, and all the variables

42b+126=0

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

42b=-126

b=-126/42

b=-3

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