Solve for x
x>4
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-7x+2x<-20
Add 2x to both sides.
-5x<-20
Combine -7x and 2x to get -5x.
x>\frac{-20}{-5}
Divide both sides by -5. Since -5 is negative, the inequality direction is changed.
x>4
Divide -20 by -5 to get 4.
Examples
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Matrix
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Limits
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