12-(2a+1)=

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Solution for 12-(2a+1)= equation: 



12-(2a+1)=

We move all terms to the left:

12-(2a+1)-()=0

We add all the numbers together, and all the variables

-(2a+1)=0

We get rid of parentheses

-2a-1=0

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

-2a=1

a=1/-2

a=-1/2

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