SOLUTION: How do you rewrite an equation in function notation? The example I was given is x-7y=35 f(x)=?

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Question 723680: How do you rewrite an equation in function notation?
The example I was given is
x-7y=35
f(x)=?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

x-7y=35
f%28x%29=?......as you know f%28x%29=y; so, all you need to do is to solve given equation for y
x-7y=35
x-35=7y
x%2F7-35%2F7=y
y=%281%2F7%29x-5
so, f%28x%29=%281%2F7%29x-5