SOLUTION: Liza is now 3 times as old as her brother. Five years ago, the sum of their ages was 18 years. How old will Liza be in 2 years time?

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Question 978167: Liza is now 3 times as old as her brother. Five years ago, the sum of their ages was 18 years. How old will Liza be in 2 years time?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
L and b.
system%28L=3b%2CL-5%2Bb-5=18%29

Solve for L and b, and evaluate L+2.