7(n)=42+7

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Solution for 7(n)=42+7 equation: 



7(n)=42+7

We move all terms to the left:

7(n)-(42+7)=0

We add all the numbers together, and all the variables

7n-49=0

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

7n=49

n=49/7

n=7

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