31n+40=200-n

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Solution for 31n+40=200-n equation: 



31n+40=200-n

We move all terms to the left:

31n+40-(200-n)=0

We add all the numbers together, and all the variables

31n-(-1n+200)+40=0

We get rid of parentheses

31n+1n-200+40=0

We add all the numbers together, and all the variables

32n-160=0

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

32n=160

n=160/32

n=5

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