Solve for x
x<-7
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-3x>12+9
Add 9 to both sides.
-3x>21
Add 12 and 9 to get 21.
x<\frac{21}{-3}
Divide both sides by -3. Since -3 is negative, the inequality direction is changed.
x<-7
Divide 21 by -3 to get -7.
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