3n+40+n=189

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Solution for 3n+40+n=189 equation: 



3n+40+n=189

We move all terms to the left:

3n+40+n-(189)=0

We add all the numbers together, and all the variables

4n-149=0

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

4n=149

n=149/4

n=37+1/4

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