SOLUTION: Mélina is (3x) years old. Her mother is 4 years older than double her age. Which algebraic expression represents the sum of their ages?

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Question 1185261: Mélina is (3x) years old. Her mother is 4 years older than double her age. Which algebraic expression represents the sum of their ages?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

Mélina is 3x years old.
Her mother is 4 years+older+than double her age:2%283x%29%2B4=6x%2B4
the sum of their ages is: 3x%2B6x%2B4=9x%2B4