2a+(11+a)+a=111

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Solution for 2a+(11+a)+a=111 equation: 



2a+(11+a)+a=111

We move all terms to the left:

2a+(11+a)+a-(111)=0

We add all the numbers together, and all the variables

2a+(a+11)+a-111=0

We add all the numbers together, and all the variables

3a+(a+11)-111=0

We get rid of parentheses

3a+a+11-111=0

We add all the numbers together, and all the variables

4a-100=0

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

4a=100

a=100/4

a=25

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