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22 May, 20:16

The difference between twice a number, x, and a smaller number, y, is 3. The sum of twice the number and the smaller number is - 3. Which equations represent this situation?

a - y=2x-3 and y=-2x-3

b - y=2x-3 and y=-1/2x-3/2

c - 2x+3 and y=-2x-3

d - y=2x+3 and y-1/2x-3/2

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Answers (1)
  1. 23 May, 00:06
    0
    The difference between twice a number, x, and a smaller number, y, is 3

    2x - y = 3 so y = 2x - 3

    The sum of twice the number and the smaller number is - 3:

    2x + y = - 3 so y = - 2x - 3

    answer is

    a. y = 2x - 3 and y = - 2x - 3
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