4=-8(3)+b

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Solution for 4=-8(3)+b equation: 



4=-8(3)+b

We move all terms to the left:

4-(-8(3)+b)=0

We add all the numbers together, and all the variables

-(b-83)+4=0

We get rid of parentheses

-b+83+4=0

We add all the numbers together, and all the variables

-1b+87=0

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

-b=-87

b=-87/-1

b=+87

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