7r+4=31

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Solution for 7r+4=31 equation:



7r+4=31
We move all terms to the left:
7r+4-(31)=0
We add all the numbers together, and all the variables
7r-27=0
We move all terms containing r to the left, all other terms to the right
7r=27
r=27/7
r=3+6/7

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