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5 October, 05:57

If y = 4 x - 1 find the value of y when x = - 2

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Answers (2)
  1. 5 October, 06:57
    0
    X=-9

    Because when you substitute - 2 into x

    You would multiply 4 times - 2 which equals - 8 plus the - 1 which equals - 9
  2. 5 October, 09:33
    0
    Use the substitution method for x

    y = 4 (-2) - 1

    y = - 8-1

    y = - 9

    Answer is y=-9
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