Solve for x
x=\frac{5}{6}\approx 0.833333333
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5x-2\left(2-x\right)=x+1
Multiply both sides of the equation by 10, the least common multiple of 2,5,10.
5x-4+2x=x+1
Use the distributive property to multiply -2 by 2-x.
7x-4=x+1
Combine 5x and 2x to get 7x.
7x-4-x=1
Subtract x from both sides.
6x-4=1
Combine 7x and -x to get 6x.
6x=1+4
Add 4 to both sides.
6x=5
Add 1 and 4 to get 5.
x=\frac{5}{6}
Divide both sides by 6.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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