2(2-b)=12

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Solution for 2(2-b)=12 equation: 



2(2-b)=12

We move all terms to the left:

2(2-b)-(12)=0

We add all the numbers together, and all the variables

2(-1b+2)-12=0

We multiply parentheses

-2b+4-12=0

We add all the numbers together, and all the variables

-2b-8=0

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

-2b=8

b=8/-2

b=-4

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