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Posted by on Tuesday, February 23, 2010 at 8:41am.

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?

  • Algebra - , Tuesday, February 23, 2010 at 8:45am

    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)

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