8a+15=9+6a

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Solution for 8a+15=9+6a equation: 



8a+15=9+6a

We move all terms to the left:

8a+15-(9+6a)=0

We add all the numbers together, and all the variables

8a-(6a+9)+15=0

We get rid of parentheses

8a-6a-9+15=0

We add all the numbers together, and all the variables

2a+6=0

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

2a=-6

a=-6/2

a=-3

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