3a+2=7a-1

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Solution for 3a+2=7a-1 equation: 



3a+2=7a-1

We move all terms to the left:

3a+2-(7a-1)=0

We get rid of parentheses

3a-7a+1+2=0

We add all the numbers together, and all the variables

-4a+3=0

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

-4a=-3

a=-3/-4

a=3/4

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