8=7+b

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Solution for 8=7+b equation: 



8=7+b

We move all terms to the left:

8-(7+b)=0

We add all the numbers together, and all the variables

-(b+7)+8=0

We get rid of parentheses

-b-7+8=0

We add all the numbers together, and all the variables

-1b+1=0

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

-b=-1

b=-1/-1

b=1

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