8a+15=5a+9

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Solution for 8a+15=5a+9 equation: 



8a+15=5a+9

We move all terms to the left:

8a+15-(5a+9)=0

We get rid of parentheses

8a-5a-9+15=0

We add all the numbers together, and all the variables

3a+6=0

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

3a=-6

a=-6/3

a=-2

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