When working with inequalities, what must you do when multiplying or dividing by a negative number?

2 years ago

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Anderson Hartmann

1 Answer

Andrew B Verified Sherpa Tutor ✓

University lecturer in maths and statistics

When multiplying or dividing by a negative number in the inequality, it changes direction, so < becomes > and vice versa.

For example, if I have 2-x>2 and multiply by -1, I get x-2<-2

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