Solve for a
a>2
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-a<7-9
Subtract 9 from both sides.
-a<-2
Subtract 9 from 7 to get -2.
a>\frac{-2}{-1}
Divide both sides by -1. Since -1 is negative, the inequality direction is changed.
a>2
Fraction \frac{-2}{-1} can be simplified to 2 by removing the negative sign from both the numerator and the denominator.
Examples
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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