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12 September, 13:29

What is the value of x?

x + 5 = - 6x - 16

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Answers (2)
  1. 12 September, 14:05
    0
    X + 5 = - 6x - 16

    add 16 to both sides

    x+21 = - 6x

    add 6x to both sides

    7x+21=0

    factor out the seven

    7 (x+3) = 0

    if 7 times (x+3) = 0 then (x+3) must equal zero because 7 times 0 is 0

    so x+3=0

    subtract three from both sides

    x = - 3
  2. 12 September, 16:07
    0
    Get all the x's on one side and everything else on the other side

    x + 6x = - 16 - 5

    7x = - 21

    then divide by 7

    x = - 3
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