Question

Gabrielle's age is two times Mikhail's age. The sum of their ages is 15. What is Mikhail's age?

Answer 1

x=5

Explanation:

Based on the given conditions formulate :: x*(1+2)=15
Calculate the difference : x*3=15
Divide both sides of the equation by the coefficient of variable: x= 15/3
Cross out the comment factor: x=5