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8r/9-15r=27
We move all terms to the left:
8r/9-15r-(27)=0
We add all the numbers together, and all the variables
-15r+8r/9-27=0
We multiply all the terms by the denominator
-15r*9+8r-27*9=0
We add all the numbers together, and all the variables
8r-15r*9-243=0
Wy multiply elements
8r-135r-243=0
We add all the numbers together, and all the variables
-127r-243=0
We move all terms containing r to the left, all other terms to the right
-127r=243
r=243/-127
r=-1+116/127
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