a+(a+a)=30

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Solution for a+(a+a)=30 equation: 



a+(a+a)=30

We move all terms to the left:

a+(a+a)-(30)=0

We add all the numbers together, and all the variables

a+(+2a)-30=0

We get rid of parentheses

a+2a-30=0

We add all the numbers together, and all the variables

3a-30=0

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

3a=30

a=30/3

a=10

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