SOLUTION: The sum of Elisa's age and Ira's age is 47. Ira's age is 5 years less than three times Elisa's age. How old are Ira and Elisa?

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Question 259664: The sum of Elisa's age and Ira's age is 47. Ira's age is 5 years less than three times Elisa's age. How old are Ira and Elisa?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.E%2BI=47
2.I=3%2AE-5
Substitute eq. 2 in eq. 1 and solve for E.
E%2BI=47
E%2B3E-5=47
4E=52
E=13
Then from eq. 2,
I=3E-5=39-5=34
Ira is 34 and Elisa is 13.