2(2b-40)=-144

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Solution for 2(2b-40)=-144 equation: 



2(2b-40)=-144

We move all terms to the left:

2(2b-40)-(-144)=0

We add all the numbers together, and all the variables

2(2b-40)+144=0

We multiply parentheses

4b-80+144=0

We add all the numbers together, and all the variables

4b+64=0

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

4b=-64

b=-64/4

b=-16

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