Question

Mario is a years old. In 7 years, he will be 19. Which equation can be used to determine Mario's present age?
• x - 7 = 19
• x -19 =7
• x + 7 = 19
• x + 19 = 7
Answered by GPT 3.5
The correct equation to determine Mario's present age is "x - 7 = 19"
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