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3 years ago

5

My sister is 18 years old. My brother says that his age minus nineteen Is equal

2 answers:

iragen [17]3 years ago

7 0

Answer: 18

Step-by-step explanation:

Sisters age = b

Brothers age = b + 19

iren [92.7K]3 years ago

7 0

Answer:

37 years old

Step-by-step explanation:

lets keep the brother's age as b.

so using the equation:

b-19=18(add 19 on both sides)

b=37

So her brother is 37 years old

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