-42+7r=14

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Solution for -42+7r=14 equation: 



-42+7r=14

We move all terms to the left:

-42+7r-(14)=0

We add all the numbers together, and all the variables

7r-56=0

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

7r=56

r=56/7

r=8

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