-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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