(4n+21)+(5n+33)=180

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Solution for (4n+21)+(5n+33)=180 equation: 



(4n+21)+(5n+33)=180

We move all terms to the left:

(4n+21)+(5n+33)-(180)=0

We get rid of parentheses

4n+5n+21+33-180=0

We add all the numbers together, and all the variables

9n-126=0

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

9n=126

n=126/9

n=14

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