SOLUTION: Hi I really need help here! The sum of Elisa's ageand Ira's age is 47. Ira's age is 5 years less than three times Elia's age. How old are Ira and Elisa?

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Question 141728: Hi I really need help here!
The sum of Elisa's ageand Ira's age is 47. Ira's age is 5 years less than three times Elia's age. How old are Ira and Elisa?
Answer by stanbon(48546) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of Elisa's ageand Ira's age is 47. Ira's age is 5 years less than three times Elia's age. How old are Ira and Elisa?
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EQUATIONS:
E + I = 47
I = 3E -5
-------------
Rearrange:
E +I = 47
3E -I = 5
---------
solve by any method to get:
E = 13 (Elisa's age)
I = 34 (Ira's age)
=================
Cheers,
Stan H.