Mario is x years old. In 7 years, he will be 19. Which equation can be used to determine Mario’s present age?
Options:
x + 7 = 19
x + 19 = 7
x - 19 = 7
x - 7 = 19
1 answer
x + 7 = 19
Options:
x + 7 = 19
x + 19 = 7
x - 19 = 7
x - 7 = 19
1 answer