-13=-9+-1/5b

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Solution for -13=-9+-1/5b equation: 



-13=-9+-1/5b

We move all terms to the left:

-13-(-9+-1/5b)=0



Domain of the equation: 5b)!=0

b!=0/1

b!=0

b∈R



We add all the numbers together, and all the variables

-(-1/5b)-13=0

We get rid of parentheses

1/5b-13=0

We multiply all the terms by the denominator


-13*5b+1=0

Wy multiply elements

-65b+1=0

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

-65b=-1

b=-1/-65

b=1/65

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