3(b+-42)=-66

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Solution for 3(b+-42)=-66 equation: 



3(b+-42)=-66

We move all terms to the left:

3(b+-42)-(-66)=0

We add all the numbers together, and all the variables

3(b-42)-(-66)=0

We add all the numbers together, and all the variables

3(b-42)+66=0

We multiply parentheses

3b-126+66=0

We add all the numbers together, and all the variables

3b-60=0

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

3b=60

b=60/3

b=20

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