r*3/4=39

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Solution for r*3/4=39 equation: 



r*3/4=39

We move all terms to the left:

r*3/4-(39)=0

We multiply all the terms by the denominator


r*3-39*4=0

We add all the numbers together, and all the variables

r*3-156=0

Wy multiply elements

3r-156=0

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

3r=156

r=156/3

r=52

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