19+9n=91

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Solution for 19+9n=91 equation: 



19+9n=91

We move all terms to the left:

19+9n-(91)=0

We add all the numbers together, and all the variables

9n-72=0

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

9n=72

n=72/9

n=8

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