5r-2r+r+r=15

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Solution for 5r-2r+r+r=15 equation:



5r-2r+r+r=15
We move all terms to the left:
5r-2r+r+r-(15)=0
We add all the numbers together, and all the variables
5r-15=0
We move all terms containing r to the left, all other terms to the right
5r=15
r=15/5
r=3

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