9th grade

solve for x: z+xyz=w

asked by michael
  1. Please use the title of the subject so that a teacher will know what you need help with.

    posted by GuruBlue
  2. Guru's formalities aside,

    z+xyz=w
    factor z.
    z(1+xy)=w
    divide by z
    (1+xy)=w/z
    subtract 1.
    xy=(w/z)-1
    divide by y
    x=(w/yz)-(1/y)

    And that's your answer! :)

    posted by Houdini

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