Solve for x
x=4
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2\left(x-2\right)=x
Multiply both sides of the equation by 12, the least common multiple of 6,12.
2x-4=x
Use the distributive property to multiply 2 by x-2.
2x-4-x=0
Subtract x from both sides.
x-4=0
Combine 2x and -x to get x.
x=4
Add 4 to both sides. Anything plus zero gives itself.
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
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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