Concept:Translate the age condition into an equation using a variable for Isha's present age.Explanation:Let Isha's age today be x years.Her age after 4 years will be x+4.Her age 22 years ago was x−22.According to the question: x+4=3(x−22).Solve: x+4=3x−66.70=2x.x=35.Answer:Isha is 35 years old today.