-4=2(1)+b

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Solution for -4=2(1)+b equation: 



-4=2(1)+b

We move all terms to the left:

-4-(2(1)+b)=0

We add all the numbers together, and all the variables

-(b+21)-4=0

We get rid of parentheses

-b-21-4=0

We add all the numbers together, and all the variables

-1b-25=0

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

-b=25

b=25/-1

b=-25

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