Solve for x
x\geq 2
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2x-4\leq 7x-14
Use the distributive property to multiply 7 by x-2.
2x-4-7x\leq -14
Subtract 7x from both sides.
-5x-4\leq -14
Combine 2x and -7x to get -5x.
-5x\leq -14+4
Add 4 to both sides.
-5x\leq -10
Add -14 and 4 to get -10.
x\geq \frac{-10}{-5}
Divide both sides by -5. Since -5 is negative, the inequality direction is changed.
x\geq 2
Divide -10 by -5 to get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}