(3n+16)+(4n+31)=180

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Solution for (3n+16)+(4n+31)=180 equation: 



(3n+16)+(4n+31)=180

We move all terms to the left:

(3n+16)+(4n+31)-(180)=0

We get rid of parentheses

3n+4n+16+31-180=0

We add all the numbers together, and all the variables

7n-133=0

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

7n=133

n=133/7

n=19

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