4a-15=7+3a

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Solution for 4a-15=7+3a equation: 



4a-15=7+3a

We move all terms to the left:

4a-15-(7+3a)=0

We add all the numbers together, and all the variables

4a-(3a+7)-15=0

We get rid of parentheses

4a-3a-7-15=0

We add all the numbers together, and all the variables

a-22=0

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

a=22

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