4=b+8

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Solution for 4=b+8 equation: 



4=b+8

We move all terms to the left:

4-(b+8)=0

We get rid of parentheses

-b-8+4=0

We add all the numbers together, and all the variables

-1b-4=0

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

-b=4

b=4/-1

b=-4

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