Mathematics, 10.06.2020 04:57 ronaldo22

Tomas bought 3 software apps and 2 e-books for a total of $21. The two e-books cost $12. If s represents the cost of each app, the total cost of all 5 items is represented by 3 s + 12 = 21. Which statement about verifying the solution for s is true?

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Tomas bought 3 software apps and 2 e-books for a total of $21. The two e-books cost $12. If s repres...

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