-7=1-1b

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Solution for -7=1-1b equation: 



-7=1-1b

We move all terms to the left:

-7-(1-1b)=0

We add all the numbers together, and all the variables

-(-1b+1)-7=0

We get rid of parentheses

1b-1-7=0

We add all the numbers together, and all the variables

b-8=0

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

b=8

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