3r-7=38

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Solution for 3r-7=38 equation:



3r-7=38
We move all terms to the left:
3r-7-(38)=0
We add all the numbers together, and all the variables
3r-45=0
We move all terms containing r to the left, all other terms to the right
3r=45
r=45/3
r=15

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