M + (M - 6) = 70
2M = 70 + 6
2M = 76
M = 76/2 = 38.
ANSWER. Michael is 38 years old.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
let Gabrielle's age be and Mikhail's age be
if Gabrielle is years younger than Mikhail, we have
.........eq.1
if the sum of their ages is , we have
.......eq.2
substitute from eq.1
........solve for => Mikhail's age