4=4r+7

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Solution for 4=4r+7 equation: 



4=4r+7

We move all terms to the left:

4-(4r+7)=0

We get rid of parentheses

-4r-7+4=0

We add all the numbers together, and all the variables

-4r-3=0

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

-4r=3

r=3/-4

r=-3/4

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