4b+21=11-4b

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Solution for 4b+21=11-4b equation: 



4b+21=11-4b

We move all terms to the left:

4b+21-(11-4b)=0

We add all the numbers together, and all the variables

4b-(-4b+11)+21=0

We get rid of parentheses

4b+4b-11+21=0

We add all the numbers together, and all the variables

8b+10=0

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

8b=-10

b=-10/8

b=-1+1/4

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