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8 July, 21:57

5x-3y when x = 7 and y = - 8

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Answers (2)
  1. 8 July, 22:15
    0
    You place the values of x and y in the equation:

    5 (7) - 3 (-8)

    35+24 (negatives cancel out)

    59 is the answer
  2. 9 July, 00:13
    0
    By replacing x=7 and y = - 8 we obtain

    5x-3y = 5x7-3x (-8) = 35+24=59

    The answer is 59
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