3a-15=18+8a

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Solution for 3a-15=18+8a equation: 



3a-15=18+8a

We move all terms to the left:

3a-15-(18+8a)=0

We add all the numbers together, and all the variables

3a-(8a+18)-15=0

We get rid of parentheses

3a-8a-18-15=0

We add all the numbers together, and all the variables

-5a-33=0

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

-5a=33

a=33/-5

a=-6+3/5

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