2a+4+3a-1=7a-2-a

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Solution for 2a+4+3a-1=7a-2-a equation: 



2a+4+3a-1=7a-2-a

We move all terms to the left:

2a+4+3a-1-(7a-2-a)=0

We add all the numbers together, and all the variables

2a+3a-(6a-2)+4-1=0

We add all the numbers together, and all the variables

5a-(6a-2)+3=0

We get rid of parentheses

5a-6a+2+3=0

We add all the numbers together, and all the variables

-1a+5=0

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

-a=-5

a=-5/-1

a=+5

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