Mario is 2 years old. In 7 years, he will be 19. Which equation can be used to determine Mario's present age? (1 point)
O x - 19 = 7
O x + 7 = 19
x - 7 = 19
x + 19 = 7
1 answer
x + 7 = 19
O x - 19 = 7
O x + 7 = 19
x - 7 = 19
x + 19 = 7
1 answer
1 answer
1 answer
1 answer
1 answer