2a+4=7a+a

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Solution for 2a+4=7a+a equation: 



2a+4=7a+a

We move all terms to the left:

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

We add all the numbers together, and all the variables

2a-(+8a)+4=0

We get rid of parentheses

2a-8a+4=0

We add all the numbers together, and all the variables

-6a+4=0

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

-6a=-4

a=-4/-6

a=2/3

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