27=18a+9

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Solution for 27=18a+9 equation: 



27=18a+9

We move all terms to the left:

27-(18a+9)=0

We get rid of parentheses

-18a-9+27=0

We add all the numbers together, and all the variables

-18a+18=0

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

-18a=-18

a=-18/-18

a=1

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