-13=a/7

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Solution for -13=a/7 equation: 



-13=a/7

We move all terms to the left:

-13-(a/7)=0

We add all the numbers together, and all the variables

-(+a/7)-13=0

We get rid of parentheses

-a/7-13=0

We multiply all the terms by the denominator


-a-13*7=0

We add all the numbers together, and all the variables

-1a-91=0

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

-a=91

a=91/-1

a=-91

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