4-b=b-4

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Solution for 4-b=b-4 equation: 



4-b=b-4

We move all terms to the left:

4-b-(b-4)=0

We add all the numbers together, and all the variables

-1b-(b-4)+4=0

We get rid of parentheses

-1b-b+4+4=0

We add all the numbers together, and all the variables

-2b+8=0

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

-2b=-8

b=-8/-2

b=+4

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