19r-9r-4r-3r-r=18

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Solution for 19r-9r-4r-3r-r=18 equation:



19r-9r-4r-3r-r=18
We move all terms to the left:
19r-9r-4r-3r-r-(18)=0
We add all the numbers together, and all the variables
2r-18=0
We move all terms containing r to the left, all other terms to the right
2r=18
r=18/2
r=9

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