54=4a+5a

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Solution for 54=4a+5a equation: 



54=4a+5a

We move all terms to the left:

54-(4a+5a)=0

We add all the numbers together, and all the variables

-(+9a)+54=0

We get rid of parentheses

-9a+54=0

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

-9a=-54

a=-54/-9

a=+6

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