Question

Mario is x
years old. In 7 years, he will be 19. Which equation can be used to determine Mario’s present age?(1 point)
Responses

x + 19 = 7
x plus 19 equals 7

x + 7 = 19
x plus 7 equals 19

x − 19 = 7
x minus 19 equals 7

x − 7 = 19

Answer 1

x + 7 = 19

Explanation: Mario's age in 7 years is his current age x plus 7, and that equals 19. Solving gives x = 12.