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This may well be a very trivial question but it isn't immediately obvious to me..

I know if you have x is proportional to y by adding a constant you can say;

x = cy

However, if we have x is proportional to y + z, is there a similar 'trick' that can be used?

Basically, i have an expression;

J(w) [itex]\propto[/itex] [w-w0]^1/2 + [w0 - w]^1/2

and want to set this equal.

Thanks in advance!