(a+30)+(2a)=180

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Solution for (a+30)+(2a)=180 equation: 



(a+30)+(2a)=180

We move all terms to the left:

(a+30)+(2a)-(180)=0

We add all the numbers together, and all the variables

2a+(a+30)-180=0

We get rid of parentheses

2a+a+30-180=0

We add all the numbers together, and all the variables

3a-150=0

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

3a=150

a=150/3

a=50

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