Question

The sum of three times Annabell's age plus her mother's age is 42. He

mother is 6 more than 6 times Annabell's age. How old is Annabell?

Answer 1

4

Explanation:

First you have to analyze the word equations. Let x equal to Annabell's age and y equal her mother's age

3x + y = 42

6 + 6x = y

Then you use substitution to find x

3x + 6 + 6x = 42

9x = 36

x = 4