7n+7=140

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Solution for 7n+7=140 equation: 



7n+7=140

We move all terms to the left:

7n+7-(140)=0

We add all the numbers together, and all the variables

7n-133=0

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

7n=133

n=133/7

n=19

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