22n+17(20-n)=400

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Solution for 22n+17(20-n)=400 equation: 



22n+17(20-n)=400

We move all terms to the left:

22n+17(20-n)-(400)=0

We add all the numbers together, and all the variables

22n+17(-1n+20)-400=0

We multiply parentheses

22n-17n+340-400=0

We add all the numbers together, and all the variables

5n-60=0

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

5n=60

n=60/5

n=12

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