Solve for x
x\geq -5
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4x-2-6x\leq 8
Subtract 6x from both sides.
-2x-2\leq 8
Combine 4x and -6x to get -2x.
-2x\leq 8+2
Add 2 to both sides.
-2x\leq 10
Add 8 and 2 to get 10.
x\geq \frac{10}{-2}
Divide both sides by -2. Since -2 is negative, the inequality direction is changed.
x\geq -5
Divide 10 by -2 to get -5.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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