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Jonathan collects postcards and stamps. The number of postcards in his collection is 12 more than the number of stamps. He has 39 postcards in all. If Jonathan has x stamps, which equation represents this
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Jonathan collects postcards and stamps. The number of postcards in his collection is 12 more than the number of stamps. He has 39 postcards in all. If Jonathan has x stamps, which equation represents this situation and how many stamps does he have?

User Rufino
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x + 12 = 39 (this is the equation)
x = 39 - 12
x = 27 (this is the number of stamps he collected)
User Panu Oksala
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