Solve for x
x<2
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-18x>-15-21
Subtract 21 from both sides.
-18x>-36
Subtract 21 from -15 to get -36.
x<\frac{-36}{-18}
Divide both sides by -18. Since -18 is negative, the inequality direction is changed.
x<2
Divide -36 by -18 to get 2.
Examples
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Matrix
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Simultaneous equation
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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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