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0.5(7.75+r)=29
We move all terms to the left:
0.5(7.75+r)-(29)=0
We add all the numbers together, and all the variables
0.5(r+7.75)-29=0
We multiply parentheses
0.5r+3.875-29=0
We add all the numbers together, and all the variables
0.5r-25.125=0
We move all terms containing r to the left, all other terms to the right
0.5r=25.125
r=25.125/0.5
r=50+0.125/0.5
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