SOLUTION: The sum of the ages of a brother and sister is 29. If four times the brother's age is subtracted from three times the sister's age, the difference is 24.

Question 336555: The sum of the ages of a brother and sister is 29. If four times the brother's age is subtracted from three times the sister's age, the difference is 24.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let be the brother's age, the sister's.
1.
2.
Multiply eq. 1 by 4 and add the equations together,

From eq. 1,

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