6=3r-9

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Solution for 6=3r-9 equation:



6=3r-9
We move all terms to the left:
6-(3r-9)=0
We get rid of parentheses
-3r+9+6=0
We add all the numbers together, and all the variables
-3r+15=0
We move all terms containing r to the left, all other terms to the right
-3r=-15
r=-15/-3
r=+5

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