4=9+a/4

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Solution for 4=9+a/4 equation: 



4=9+a/4

We move all terms to the left:

4-(9+a/4)=0

We add all the numbers together, and all the variables

-(a/4+9)+4=0

We get rid of parentheses

-a/4-9+4=0

We multiply all the terms by the denominator


-a-9*4+4*4=0

We add all the numbers together, and all the variables

-1a-20=0

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

-a=20

a=20/-1

a=-20

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