-1=-8/7+b

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Solution for -1=-8/7+b equation: 



-1=-8/7+b

We move all terms to the left:

-1-(-8/7+b)=0



Domain of the equation: 7+b)!=0

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

b)!=-7

b!=-7/1

b!=-7

b∈R



We add all the numbers together, and all the variables

-(+b-8/7)-1=0

We get rid of parentheses

-b-1+8/7=0

We multiply all the terms by the denominator


-b*7+8-1*7=0

We add all the numbers together, and all the variables

-b*7+1=0

Wy multiply elements

-7b+1=0

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

-7b=-1

b=-1/-7

b=1/7

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