11=7+2a

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Solution for 11=7+2a equation: 



11=7+2a

We move all terms to the left:

11-(7+2a)=0

We add all the numbers together, and all the variables

-(2a+7)+11=0

We get rid of parentheses

-2a-7+11=0

We add all the numbers together, and all the variables

-2a+4=0

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

-2a=-4

a=-4/-2

a=+2

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