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How to transform a functional expression into a general expression


Hello  to all

I will take a simple example.

How can you easily transform using Mathematica  the following functional 
expression

y = 3/2 x + 1

into its general equivalent:

3 x - 2 y  + 2 = 0


This general form exists  because

y == 3/2 x + 1 // FullSimplify

returns True.

Is the answer given valid whatever the complexity  of the initial 
equality expression  known to be true (with up to three unknown variables).

Thanks

Sigismond Kmiecik


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