Solve for x
x\leq -6
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3x\leq -16-2
Subtract 2 from both sides.
3x\leq -18
Subtract 2 from -16 to get -18.
x\leq \frac{-18}{3}
Divide both sides by 3. Since 3 is positive, the inequality direction remains the same.
x\leq -6
Divide -18 by 3 to get -6.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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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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