Question 667567
When dividing or multiplying both sides by a negative.
Ex.
-3x > 21
{{{cross(-3)x/cross(-3) > 21/-3}}}
x < -7
...
{{{x/-2 > -4}}}
{{{cross(-2)(x/cross(-2)) > -4(-2)}}}
x < 8
...
When reading an equation in the reverse direction
 x > 24
24 < x