12a-15=8a+

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Solution for 12a-15=8a+ equation: 



12a-15=8a+

We move all terms to the left:

12a-15-(8a+)=0

We add all the numbers together, and all the variables

12a-(+8a)-15=0

We get rid of parentheses

12a-8a-15=0

We add all the numbers together, and all the variables

4a-15=0

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

4a=15

a=15/4

a=3+3/4

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