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Wewaii [24]
3 years ago
6

Maggie's brother is 5 years younger than twice her age. The sum of their ages is 22.

Mathematics
2 answers:
harkovskaia [24]3 years ago
8 0

Answer:

9 years old

Step-by-step explanation:

Let maggie's age be m,

and let maggie's brother's age be b

b = 2m - 5,

m + b = 22

Substitute "2m - 5" for b in the second equation (substitution)

m + (2m - 5) = 22 -> Remove parenthesis

m + 2m - 5 = 22 -> Combine like terms

3m = 22 + 5 = 27 -> Divide either side by 3

m = 27/3 = 9

Solution: Maggie is 9 years old

erastova [34]3 years ago
6 0
Maggie is 9 years old
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