5r-9=57

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Solution for 5r-9=57 equation: 



5r-9=57

We move all terms to the left:

5r-9-(57)=0

We add all the numbers together, and all the variables

5r-66=0

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

5r=66

r=66/5

r=13+1/5

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