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Math Help - Please Help rearrange

  1. #1
    Geo
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    Please Help rearrange

    x = (3-7y)/2 make y the subject. I started by multiplying the brackets on the left by 2 but then get all confused so I dont think thats the way to do it any help appreciated....
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by Geo View Post
    x = (3-7y)/2 make y the subject. I started by multiplying the brackets on the left by 2 but then get all confused so I dont think thats the way to do it any help appreciated....
    You're on the right track.

    x=\frac{3-7y}{2}

    Multiply both sides by 2 and you get:

    2x=3-7y

    All you need to do now is get the 3 to the left side and divide everything by -7. Can you do it?
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  3. #3
    Geo
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    Thank you

    Yep I got it now. Thanks for your help. I just took it that one step too far.
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