SOLUTION: Mike is one year younger than four times his sister Lexi's age. The sum of their ages is 14. Write a system of equations that models this situation. Then determine Mike's and Le

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Question 1002660: Mike is one year younger than four times his sister Lexi's age. The sum of their ages is 14. Write a system of equations that models this situation. Then determine Mike's and Lexi's ages.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Call their ages M and L.
M + L = 14
M = 4L - 1
Substitute this into the first equation and get
4L - 1 + L = 14
5L = 15
L = 3
M = 11