How is the multiplication property for inequalities different from the multiplication property of equality?

Question

asked Oct 16, 2018 28.7k views

1 Answer

Nafis · Answer 1 · 2018-10-21T17:45:47+0000

Very important difference:

If one multiplies or divides by a negative number, the inequality gets reversed:

x>3 ---> -x < -3!