Solve for x
x<9
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-3x>-21-6
Subtract 6 from both sides.
-3x>-27
Subtract 6 from -21 to get -27.
x<\frac{-27}{-3}
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
x<9
Divide -27 by -3 to get 9.
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