20=a/13

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Solution for 20=a/13 equation: 



20=a/13

We move all terms to the left:

20-(a/13)=0

We add all the numbers together, and all the variables

-(+a/13)+20=0

We get rid of parentheses

-a/13+20=0

We multiply all the terms by the denominator


-a+20*13=0

We add all the numbers together, and all the variables

-1a+260=0

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

-a=-260

a=-260/-1

a=+260

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