9n+100=4n

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Solution for 9n+100=4n equation:



9n+100=4n
We move all terms to the left:
9n+100-(4n)=0
We add all the numbers together, and all the variables
5n+100=0
We move all terms containing n to the left, all other terms to the right
5n=-100
n=-100/5
n=-20

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