12+8=5b+4

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Solution for 12+8=5b+4 equation: 



12+8=5b+4

We move all terms to the left:

12+8-(5b+4)=0

We add all the numbers together, and all the variables

-(5b+4)+20=0

We get rid of parentheses

-5b-4+20=0

We add all the numbers together, and all the variables

-5b+16=0

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

-5b=-16

b=-16/-5

b=3+1/5

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