(-2a+7)-(a+11)=a

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Solution for (-2a+7)-(a+11)=a equation: 



(-2a+7)-(a+11)=a

We move all terms to the left:

(-2a+7)-(a+11)-(a)=0

We add all the numbers together, and all the variables

-1a+(-2a+7)-(a+11)=0

We get rid of parentheses

-1a-2a-a+7-11=0

We add all the numbers together, and all the variables

-4a-4=0

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

-4a=4

a=4/-4

a=-1

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