4-8b=-20

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Solution for 4-8b=-20 equation: 



4-8b=-20

We move all terms to the left:

4-8b-(-20)=0

We add all the numbers together, and all the variables

-8b+24=0

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

-8b=-24

b=-24/-8

b=+3

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