-1=-1/5b+7

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Solution for -1=-1/5b+7 equation: 



-1=-1/5b+7

We move all terms to the left:

-1-(-1/5b+7)=0



Domain of the equation: 5b+7)!=0

b∈R



We get rid of parentheses

1/5b-7-1=0

We multiply all the terms by the denominator


-7*5b-1*5b+1=0

Wy multiply elements

-35b-5b+1=0

We add all the numbers together, and all the variables

-40b+1=0

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

-40b=-1

b=-1/-40

b=1/40

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