(5a+42)+(2a+82)=180

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Solution for (5a+42)+(2a+82)=180 equation: 



(5a+42)+(2a+82)=180

We move all terms to the left:

(5a+42)+(2a+82)-(180)=0

We get rid of parentheses

5a+2a+42+82-180=0

We add all the numbers together, and all the variables

7a-56=0

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

7a=56

a=56/7

a=8

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