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9r+16=3.14/5
We move all terms to the left:
9r+16-(3.14/5)=0
We add all the numbers together, and all the variables
9r+16-(+3.14/5)=0
We get rid of parentheses
9r+16-3.14/5=0
We multiply all the terms by the denominator
9r*5-3.14+16*5=0
We add all the numbers together, and all the variables
9r*5+76.86=0
Wy multiply elements
45r+76.86=0
We move all terms containing r to the left, all other terms to the right
45r=-76.86
r=-76.86/45
r=-1+17.1290322581/24.1935483871
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