7+a=-4+a+5+a

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Solution for 7+a=-4+a+5+a equation: 



7+a=-4+a+5+a

We move all terms to the left:

7+a-(-4+a+5+a)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

a-2a-1+7=0

We add all the numbers together, and all the variables

-1a+6=0

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

-a=-6

a=-6/-1

a=+6

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