4-(b+5)=20

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Solution for 4-(b+5)=20 equation: 



4-(b+5)=20

We move all terms to the left:

4-(b+5)-(20)=0

We add all the numbers together, and all the variables

-(b+5)-16=0

We get rid of parentheses

-b-5-16=0

We add all the numbers together, and all the variables

-1b-21=0

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

-b=21

b=21/-1

b=-21

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