Solve for x
x\leq -4
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2x\leq -2-6
Subtract 6 from both sides.
2x\leq -8
Subtract 6 from -2 to get -8.
x\leq \frac{-8}{2}
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
x\leq -4
Divide -8 by 2 to get -4.
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
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699 * 533
Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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