Mary and Alice are playing a card game. Mary has 21 points. She has 9 points less than Alice.How many points, p, does Alice have
2 answers:
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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.