18=a/3+12

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Solution for 18=a/3+12 equation: 



18=a/3+12

We move all terms to the left:

18-(a/3+12)=0

We get rid of parentheses

-a/3-12+18=0

We multiply all the terms by the denominator


-a-12*3+18*3=0

We add all the numbers together, and all the variables

-1a+18=0

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

-a=-18

a=-18/-1

a=+18

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