Equations and Inequalities
Equations:
Addition
X+4=5 » X+4-4=5-4 » X=1
Multipulcation
6X=30 » 6X/6=30/6 » X=5
Inequalities:
When solving inequalities, apply the same rules used in solving an equation except that when you divide by a negative number the less than or greater than sign flips to the opposite.
Exp.
-9x>-72 » x<8