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4.50+.79r=16
We move all terms to the left:
4.50+.79r-(16)=0
We add all the numbers together, and all the variables
.79r-11.5=0
We move all terms containing r to the left, all other terms to the right
.79r=11.5
r=11.5/.79
r=14+0.44/.79
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