7a-15=2a+1

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Solution for 7a-15=2a+1 equation: 



7a-15=2a+1

We move all terms to the left:

7a-15-(2a+1)=0

We get rid of parentheses

7a-2a-1-15=0

We add all the numbers together, and all the variables

5a-16=0

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

5a=16

a=16/5

a=3+1/5

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