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Math Help - URGENT Can anyone solve this

  1. #1
    Rob123
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    URGENT Can anyone solve this

    Can you show me the workings I'm more interested in those:

    Solve for x

    420 = 4*x+(2*x/0.1)

    Thanks heaps to anyone who can help
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  2. #2
    Forum Admin topsquark's Avatar
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    Quote Originally Posted by Rob123 View Post
    Can you show me the workings I'm more interested in those:

    Solve for x

    420 = 4*x+(2*x/0.1)

    Thanks heaps to anyone who can help
    I presume the problem is
    420 = 4x + \frac{2x}{0.1}

    Mulitply both sides by 10:
    4200 = 40x + 2x

    4200 = 42x

    x = 100

    -Dan
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