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4. The number of years Karla has been playing basketball is 3 less than 6 times the number of years that
James has. In total they have been playing basketball for 18 years. How long has Karla been playing

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Answer:

james : x

karla : y = 6x - 3

total : 18 = 6x - 3 + x

18 = 7x - 3

18 + 3 = 7x

21 = 7x

21 /7 = x

x = 3

karla : 6(3) - 3 = 18 -3

answer is 12 years

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