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3.6(6.7r-7.4)=63.5
We move all terms to the left:
3.6(6.7r-7.4)-(63.5)=0
We add all the numbers together, and all the variables
3.6(6.7r-7.4)-63.5=0
We multiply parentheses
21.6r-26.64-63.5=0
We add all the numbers together, and all the variables
21.6r-90.14=0
We move all terms containing r to the left, all other terms to the right
21.6r=90.14
r=90.14/21.6
r=4+1/5.7754010695187
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