
Please use the title of the subject so that a teacher will know what you need help with.
posted by GuruBlue

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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