19+7n=40

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Solution for 19+7n=40 equation:



19+7n=40
We move all terms to the left:
19+7n-(40)=0
We add all the numbers together, and all the variables
7n-21=0
We move all terms containing n to the left, all other terms to the right
7n=21
n=21/7
n=3

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