7r-13=20

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Solution for 7r-13=20 equation:



7r-13=20
We move all terms to the left:
7r-13-(20)=0
We add all the numbers together, and all the variables
7r-33=0
We move all terms containing r to the left, all other terms to the right
7r=33
r=33/7
r=4+5/7

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