SOLUTION: Alicia's brother is three years younger than twice her age. the sum of their age is 24. how old is alicia?

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Question 1030907: Alicia's brother is three years younger than twice her age. the sum of their age is 24. how old is alicia?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x, Alicia's age;
y, her brother's age;

y=-3%2Bsomething, for HE is three years younger...., and then the rest of the sentence goes,
.
.
y=-3%2B2x


Next sentence becomes x%2By=24.

The system of equations is system%28y=2x-3%2Cx%2By=24%29.