100+35n=72+42n

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Solution for 100+35n=72+42n equation: 



100+35n=72+42n

We move all terms to the left:

100+35n-(72+42n)=0

We add all the numbers together, and all the variables

35n-(42n+72)+100=0

We get rid of parentheses

35n-42n-72+100=0

We add all the numbers together, and all the variables

-7n+28=0

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

-7n=-28

n=-28/-7

n=+4

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