(a+39)+4a=180

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Solution for (a+39)+4a=180 equation: 



(a+39)+4a=180

We move all terms to the left:

(a+39)+4a-(180)=0

We add all the numbers together, and all the variables

4a+(a+39)-180=0

We get rid of parentheses

4a+a+39-180=0

We add all the numbers together, and all the variables

5a-141=0

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

5a=141

a=141/5

a=28+1/5

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