Ezekiel is shopping for school supplies. He has $15 to buy pens and pencils. Ezekiel spends $8 on pencils and plans to use the rest of the money to buy pens. Each pen costs $0.50.
If x represents the number of pens that Ezekiel buys, the equality
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can be used to find the total number of pens that Ezekiel can buy.
Ezekiel can buy a total of
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pens.