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Sam’s brother is 7 years older than Sam. His mother is 4 less than 3 times Sam’s age. Their combined age is 63. How old is Sam, his brother, and his mother

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asked Jan 5, 2017 33.7k views

5 votes

Sam’s brother is 7 years older than Sam. His mother is 4 less than 3 times Sam’s age. Their combined age is 63. How old is Sam, his brother, and his mother

Mathematics
high-school

Marwa asked

by Marwa

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2 Answers

3 votes

Answer:

Sam is 12, sam's brother is 19, and sam's mom is 32.

Explanation:

KFunk answered Jan 6, 2017

by KFunk

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3 votes

x+7+3x-4+x=63
5x+3=63
5x=60
x=12
sam is 12
brother is 19
mother is 32

RichSmith answered Jan 9, 2017

by RichSmith

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Sam’s brother is 7 years older than Sam. His mother is 4 less than 3 times Sam’s age. Their combined age is 63. How old is Sam, his brother, and his mother

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