5r-18=12

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Solution for 5r-18=12 equation: 



5r-18=12

We move all terms to the left:

5r-18-(12)=0

We add all the numbers together, and all the variables

5r-30=0

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

5r=30

r=30/5

r=6

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