3a+27=84-2a

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Solution for 3a+27=84-2a equation: 



3a+27=84-2a

We move all terms to the left:

3a+27-(84-2a)=0

We add all the numbers together, and all the variables

3a-(-2a+84)+27=0

We get rid of parentheses

3a+2a-84+27=0

We add all the numbers together, and all the variables

5a-57=0

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

5a=57

a=57/5

a=11+2/5

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