13r+5r=1

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Solution for 13r+5r=1 equation:



13r+5r=1
We move all terms to the left:
13r+5r-(1)=0
We add all the numbers together, and all the variables
18r-1=0
We move all terms containing r to the left, all other terms to the right
18r=1
r=1/18
r=1/18

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