b-3=1-b

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Solution for b-3=1-b equation: 



b-3=1-b

We move all terms to the left:

b-3-(1-b)=0

We add all the numbers together, and all the variables

b-(-1b+1)-3=0

We get rid of parentheses

b+1b-1-3=0

We add all the numbers together, and all the variables

2b-4=0

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

2b=4

b=4/2

b=2

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