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6 November, 08:03

1/2 (6x - 4) = 4x - 9

What's x?

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Answers (1)
  1. 6 November, 08:05
    0
    x = 7

    Step-by-step explanation:

    1) distribute (1/2) into (6x - 4)

    end up with: 3x - 2 = 4x - 9

    2) add 9 to both sides of the equation to cancel out - 9

    end up with: 3x + 7 = 4x

    3) divide both sides of the equation by 4 to cancel out the 4 on the right side

    end up with: (3/4) x + 1.75 = x

    4) subtract (3/4) x from both sides to cancel out + (3/4) x

    end up with: 1.75 = (1/4) x

    5) multiply both sides by 4 to cancel out (1/4)

    end up with: x = 7
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