3r+6=13

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Solution for 3r+6=13 equation:



3r+6=13
We move all terms to the left:
3r+6-(13)=0
We add all the numbers together, and all the variables
3r-7=0
We move all terms containing r to the left, all other terms to the right
3r=7
r=7/3
r=2+1/3

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