3r-15=24

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Solution for 3r-15=24 equation: 



3r-15=24

We move all terms to the left:

3r-15-(24)=0

We add all the numbers together, and all the variables

3r-39=0

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

3r=39

r=39/3

r=13

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