Solve for x (complex solution)
x\in \mathrm{C}
Solve for x
x\in \mathrm{R}
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x-\left(5x-10\right)=-2\left(2x-5\right)
Use the distributive property to multiply x-2 by 5.
x-5x-\left(-10\right)=-2\left(2x-5\right)
To find the opposite of 5x-10, find the opposite of each term.
x-5x+10=-2\left(2x-5\right)
The opposite of -10 is 10.
-4x+10=-2\left(2x-5\right)
Combine x and -5x to get -4x.
-4x+10=-4x+10
Use the distributive property to multiply -2 by 2x-5.
-4x+10+4x=10
Add 4x to both sides.
10=10
Combine -4x and 4x to get 0.
\text{true}
Compare 10 and 10.
x\in \mathrm{C}
This is true for any x.
x-\left(5x-10\right)=-2\left(2x-5\right)
Use the distributive property to multiply x-2 by 5.
x-5x-\left(-10\right)=-2\left(2x-5\right)
To find the opposite of 5x-10, find the opposite of each term.
x-5x+10=-2\left(2x-5\right)
The opposite of -10 is 10.
-4x+10=-2\left(2x-5\right)
Combine x and -5x to get -4x.
-4x+10=-4x+10
Use the distributive property to multiply -2 by 2x-5.
-4x+10+4x=10
Add 4x to both sides.
10=10
Combine -4x and 4x to get 0.
\text{true}
Compare 10 and 10.
x\in \mathrm{R}
This is true for any x.
Examples
Quadratic equation
{ 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}