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5 January, 23:38

10. If x = - 1.8 and y = 2.5 then - x + 2y =

+5
Answers (2)
  1. 5 January, 23:42
    0
    6.8

    Step-by-step explanation:

    - (-1.8) + (2 x 2.5)

    1.8+5 = 6.8
  2. 5 January, 23:56
    0
    Plug x and y into - x+2y

    so - (-1.8) + 2 (2.5) = 1.8 + 5 = 6.8
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