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Math Help - Changing the subject

  1. #1
    Newbie hymnseeker's Avatar
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    Changing the subject

    How do I write:

    y=(2x+3)/(x-1)

    in terms of x?
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  2. #2
    A riddle wrapped in an enigma
    masters's Avatar
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    Quote Originally Posted by hymnseeker View Post
    How do I write:

    y=(2x+3)/(x-1)

    in terms of x?
    Hello hynseeker,

    y=\frac{2x+3}{x-1}

    Multiply both sides by (x - 1)

    y(x-1)=2x+3

    Distribute:

    xy-y=2x+3

    Put x terms together on the LHS:

    xy-2x=y+3

    Factor out x:

    x(y-2)=y+3

    Divide:

    x=\frac{y+3}{y-2}
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  3. #3
    Newbie hymnseeker's Avatar
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    Thank you that helps a lot
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