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1.6(10.9r-3.2)=48.9
We move all terms to the left:
1.6(10.9r-3.2)-(48.9)=0
We add all the numbers together, and all the variables
1.6(10.9r-3.2)-48.9=0
We multiply parentheses
16r-5.12-48.9=0
We add all the numbers together, and all the variables
16r-54.02=0
We move all terms containing r to the left, all other terms to the right
16r=54.02
r=54.02/16
r=3+2.9801980198/7.92079207921
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