20=r/7+17

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Solution for 20=r/7+17 equation:



20=r/7+17
We move all terms to the left:
20-(r/7+17)=0
We get rid of parentheses
-r/7-17+20=0
We multiply all the terms by the denominator
-r-17*7+20*7=0
We add all the numbers together, and all the variables
-1r+21=0
We move all terms containing r to the left, all other terms to the right
-r=-21
r=-21/-1
r=+21

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