7=r/15

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Solution for 7=r/15 equation:



7=r/15
We move all terms to the left:
7-(r/15)=0
We add all the numbers together, and all the variables
-(+r/15)+7=0
We get rid of parentheses
-r/15+7=0
We multiply all the terms by the denominator
-r+7*15=0
We add all the numbers together, and all the variables
-1r+105=0
We move all terms containing r to the left, all other terms to the right
-r=-105
r=-105/-1
r=+105

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