-20=a/4

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Solution for -20=a/4 equation: 



-20=a/4

We move all terms to the left:

-20-(a/4)=0

We add all the numbers together, and all the variables

-(+a/4)-20=0

We get rid of parentheses

-a/4-20=0

We multiply all the terms by the denominator


-a-20*4=0

We add all the numbers together, and all the variables

-1a-80=0

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

-a=80

a=80/-1

a=-80

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