Discussion
If (2 - x)* = (x - 2)*, then x =
*This question is included in Nova Press: Set D - Defined functions, question #16
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The solution is
Posted: 11/12/2013 19:42
Is there a few equal signs missing on the first long of the solution?
Posted: 11/12/2013 20:55
Nathalie, no, just missing a few line breaks. Here it goes with the breaks:
2-(2-x)=2-(x-2);
2-2+x=2-x+2;
x=4-x;
2x=4;
x=2.
2-(2-x)=2-(x-2);
2-2+x=2-x+2;
x=4-x;
2x=4;
x=2.