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8c - 3c + 3 = 13
Begin by combining like terms:
5c + 3 = 13
Subtract 3 from both sides:
5c + 3 - 3 = 13 - 3
5c = 10
Divide both sides by 5:
5c/5 = 10/5
c = 2.
There are 5 people in an elevator. Together, they weigh 792.4 pounds. Find their average weight. (Average = total number of peop
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