16-06-2020
Mathematics

contestada

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?

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16-06-2020

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

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