3a+1=2a-6

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Solution for 3a+1=2a-6 equation: 



3a+1=2a-6

We move all terms to the left:

3a+1-(2a-6)=0

We get rid of parentheses

3a-2a+6+1=0

We add all the numbers together, and all the variables

a+7=0

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

a=-7

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