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Math Help - Simple: Solve for 'X'

  1. #1
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    Simple: Solve for 'X'

    i have found an answer to this but i would like to know if i am right. what do ye get?

    Code:
    X+1             2X+1            X + 2
    ___      =      ____       +   _____
     2              10               3
    Solve for X!
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by whatever View Post
    i have found an answer to this but i would like to know if i am right. what do ye get?

    Code:
    X+1             2X+1            X + 2
    ___      =      ____       +   _____
     2              10               3
    Solve for X!
    Multiply every term by the LCD which is 30.

    30\left(\frac{x+1}{2}\right)=30\left(\frac{2x+1}{1  0}\right)+30\left(\frac{x+2}{3}\right)

    15x+15=6x+3+10x+20

    Combine terms and solve......can you finish it?
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  3. #3
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    what i have originally is 25, is that right?
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  4. #4
    A riddle wrapped in an enigma
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    Multiply every term by the LCD which is 30.

    30\left(\frac{x+1}{2}\right)=30\left(\frac{2x+1}{1  0}\right)+30\left(\frac{x+2}{3}\right)

    15x+15=6x+3+10x+20

    15x+15=16x+23

    -x=8

    \boxed{x=-8}
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  5. #5
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    cheers mate, i had the right idea but I was doing it wrong somehow. nice one
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