SOLUTION: how do I solve 3x+5y+7z=75 for x,y and z?

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Question 350658: how do I solve 3x+5y+7z=75 for x,y and z?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
With one equation and three unknowns you can only solve for one variable in terms of the other two.
For example,
x=%2875-5y-7z%29%2F3
To solve for three unknowns, you need 3 independent equations.