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7 April, 20:46

If y = - x and x + 6y = 30, what is the

value of x?

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Answers (1)
  1. 8 April, 00:18
    0
    x = - 6

    Step-by-step explanation:

    y = - x equation 1

    x + 6y = 30 equation 2

    using equation 1 in equation 2 we have:

    x + 6 (-x) = 30

    x - 6x = 30

    -5x = 30

    x = - 30/5

    x = - 6
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