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23 March, 16:02

Evaluate 8 - 4.7y - x

when y = - 1 and x = 2.

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Answers (2)
  1. 23 March, 18:57
    0
    Substitute in the values for y and x into the equation.

    so ...

    8 - 4.7 (-1) - (2) solve the equation

    8 + 4.7 - 2

    12.7 - 2

    10.7
  2. 23 March, 19:36
    0
    If you substitute the values in to the equation, you will get:

    8 - (4.7 * - 1) - 2 and that will get you to ...

    8 - (-4.7) - 2

    8 + 4.7 - 2

    = 10.7
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