13=a/11=7

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Solution for 13=a/11=7 equation: 



13=a/11=7

We move all terms to the left:

13-(a/11)=0

We add all the numbers together, and all the variables

-(+a/11)+13=0

We get rid of parentheses

-a/11+13=0

We multiply all the terms by the denominator


-a+13*11=0

We add all the numbers together, and all the variables

-1a+143=0

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

-a=-143

a=-143/-1

a=+143

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