Solve for x
x=\frac{1}{2}=0.5
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3+2x-1=\frac{9}{3}
Divide both sides by 3.
3+2x-1=3
Divide 9 by 3 to get 3.
2+2x=3
Subtract 1 from 3 to get 2.
2x=3-2
Subtract 2 from both sides.
2x=1
Subtract 2 from 3 to get 1.
x=\frac{1}{2}
Divide both sides by 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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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
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