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Math Help - how to get an equation in y=mx+b form?

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    how to get an equation in y=mx+b form?

    The equation 5x+y < 4 is not in y=mx+b form and so I subtracted y from and got 5x < y -4 is that right? How do i get it to y=mxtb form?
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  2. #2
    Senior Member nikhil's Avatar
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    Quote Originally Posted by Laura901 View Post
    The equation 5x+y < 4 is not in y=mx+b form and so I subtracted y from and got 5x < y -4 is that right? How do i get it to y=mxtb form?
    You can not convert an inequality into an equality by yourself.
    5x+y < 4 is an inequation that represents a region whereas y=mx+b is an equation that represents a line.
    Clearly you can not convert a region into a line or vice versa.
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    MHF Contributor arbolis's Avatar
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    The equation 5x+y < 4 is not in y=mx+b form and so I subtracted y from and got 5x < y -4 is that right? How do i get it to y=mxtb form?
    No, it's not right. You have to separate y, not 5x as you did. 5x+y < 4 \Leftrightarrow y<4-5x. (subtracting 5x on each sides). So you cannot get it to the form y=mx+b, but instead, into the form y<mx+b which I guess is right for your exercise.
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