All PSAT Math Resources
Example Question #69 : Integers
What is ?
A negative number divided by a negative number always results in a positive number. divided by equals . Since the answer is positive, the answer cannot be or any other negative number.
Example Question #15 : Integers
Solve for :
Begin by isolating your variable.
Subtract from both sides:
Next, subtract from both sides:
Then, divide both sides by :
Recall that division of a negative by a negative gives you a positive, therefore: