-3=13/a

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Solution for -3=13/a equation: 



-3=13/a

We move all terms to the left:

-3-(13/a)=0



Domain of the equation: a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+13/a)-3=0

We get rid of parentheses

-13/a-3=0

We multiply all the terms by the denominator


-3*a-13=0

We add all the numbers together, and all the variables

-3a-13=0

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

-3a=13

a=13/-3

a=-4+1/3

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