15+12a=99-22a

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Solution for 15+12a=99-22a equation: 



15+12a=99-22a

We move all terms to the left:

15+12a-(99-22a)=0

We add all the numbers together, and all the variables

12a-(-22a+99)+15=0

We get rid of parentheses

12a+22a-99+15=0

We add all the numbers together, and all the variables

34a-84=0

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

34a=84

a=84/34

a=2+8/17

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