You can put this solution on YOUR website!
There are two approaches
Approach 1 (the usual one):
Use the principle that when both sides of an inequality
are multiplied or dividied by a negative number the
inequality sign is reversed, and divide both sides by
Approach 2: without using that principle:
Add +10h to both sides
Add -75 to both sides:
Divide both sides by the positive number 10
Both answers are equivalent.
Edwin
