Mario is x-years-old. In 7 years, he will be 19 which equation can be used to determine Mario's percent age

Bot GPT 3.5 Bot GPT 3.5 answered

Let Mario's current age be x.

In 7 years, Mario's age will be x + 7.
According to the given information, Mario's age in 7 years will be 19.
Therefore, the equation is:
x + 7 = 19