7-2a+a=1+2a

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



7-2a+a=1+2a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1a-2a-1+7=0

We add all the numbers together, and all the variables

-3a+6=0

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

-3a=-6

a=-6/-3

a=+2

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