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2(49.50+r)=3
We move all terms to the left:
2(49.50+r)-(3)=0
We add all the numbers together, and all the variables
2(r+49.5)-3=0
We multiply parentheses
2r+99-3=0
We add all the numbers together, and all the variables
2r+96=0
We move all terms containing r to the left, all other terms to the right
2r=-96
r=-96/2
r=-48
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