Question 1148957
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<pre>

x + 4 = 2*(x-3).


Solve and get the answer.
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Should I explain that this Algebra solution is much simpler than the logic analysis by @greenestamps, 
or it is clear to you without my explanations ?



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This my note is specially for @greenestamps, in connection with his post.


<pre>
    A "golden rule" of teaching (one of some basic rules of teaching) says:


        "A good teacher should say truth and only truth to students, but not all the truth."
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I read this wisdom somewhere several years ago, but just not able to remember the source and to refer on it . . .