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Maggie's brother is 3 years younger than twice her age. The sum of their ages is 24. How old is Maggie?

Respuesta :

kphung76127
x is Maggie's age
y is the brother's age

x+y=24
y=2x-3

Use substitution method
x+(2x-3)=24
3x-3=24
3x=27
x=9

Maggie is 9. (Her brother is 15)
dandy0425

Answer:

9 years old

Step-by-step explanation:

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