MathMikie wrote:
solvethe equation square root of 2x-3+-9 i thourght the answer was x=42 then i thourght there was no solution what is the right answer
A bit of a problem here.... you don't seem to have a "equation", as there is no equal sign in "2x-3+-9", if that's the bit you are talking about.
You may find
http://thrysoee.dk/laeqed/ to be an amusing way of getting an equation like

drawn cleverly.
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