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10-08-2017
Mathematics

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The sum of two numbers, x and y, is 12. The difference of four times the larger number and two times the smaller number is 18. Which system of equations should you use to find the two numbers? A x – y = 12 4x – 2y = 18 B x + y = 12 x – y = 18 C x + y = 12 2x – 4y = 18 D x + y = 12 4x – 2y = 18

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oligodendrocyte oligodendrocyte

10-08-2017

The answer is D, as it asks for the sum of x and y, not the difference.

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