Quis (9/20) 17x + 4x + 15y – 5y​

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Quis (9/20) 17x + 4x + 15y – 5y​

17x + 4x + 15y – 5y

= (17x + 4x) + (15y – 5y)

= (17 + 4)x + (15 – 5)y

=> 21x + 10y

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17x + 4x + 15 – 5y

(17 + 4)x + (15 – 5)y

21x + 10y