How to divide negative numbers
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PSAT Math › How to divide negative numbers
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1
What is ?
CORRECT
45
Explanation
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.
2
Solve for :
CORRECT
Explanation
Begin by isolating your variable.
Subtract from both sides:
, or
Next, subtract from both sides:
, or
Then, divide both sides by :
Recall that division of a negative by a negative gives you a positive, therefore:
or