Solve for n
n=-3
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12=-4n
Variable n cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by n.
-4n=12
Swap sides so that all variable terms are on the left hand side.
n=\frac{12}{-4}
Divide both sides by -4.
n=-3
Divide 12 by -4 to get -3.
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