Solve for x
x\leq 2
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2\left(0-8\right)+10\geq 6x-18
Anything times zero gives zero.
2\left(-8\right)+10\geq 6x-18
Subtract 8 from 0 to get -8.
-16+10\geq 6x-18
Multiply 2 and -8 to get -16.
-6\geq 6x-18
Add -16 and 10 to get -6.
6x-18\leq -6
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
6x\leq -6+18
Add 18 to both sides.
6x\leq 12
Add -6 and 18 to get 12.
x\leq \frac{12}{6}
Divide both sides by 6. Since 6 is positive, the inequality direction remains the same.
x\leq 2
Divide 12 by 6 to get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}