Asked by Michelle
I know when solving inequalities the sign changes when you multiply or divide by a negative number, my question is does this happen in equations as well?
Answers
Answered by
MathMate
No, it doesn't. The equal sign is symmetrical, so reversal is not possible.
4>2 implies -4<-2
4=2+2 implies -4 = -(2+2)
4>2 implies -4<-2
4=2+2 implies -4 = -(2+2)
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