10r+9=249

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Solution for 10r+9=249 equation: 



10r+9=249

We move all terms to the left:

10r+9-(249)=0

We add all the numbers together, and all the variables

10r-240=0

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

10r=240

r=240/10

r=24

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