5a+(2a+12)=180

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Solution for 5a+(2a+12)=180 equation: 



5a+(2a+12)=180

We move all terms to the left:

5a+(2a+12)-(180)=0

We get rid of parentheses

5a+2a+12-180=0

We add all the numbers together, and all the variables

7a-168=0

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

7a=168

a=168/7

a=24

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