-3a+28+8a=9+a

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Solution for -3a+28+8a=9+a equation: 



-3a+28+8a=9+a

We move all terms to the left:

-3a+28+8a-(9+a)=0

We add all the numbers together, and all the variables

-3a+8a-(a+9)+28=0

We add all the numbers together, and all the variables

5a-(a+9)+28=0

We get rid of parentheses

5a-a-9+28=0

We add all the numbers together, and all the variables

4a+19=0

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

4a=-19

a=-19/4

a=-4+3/4

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