Solve for x
x = \frac{7}{2} = 3\frac{1}{2} = 3.5
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x=2+\frac{3}{2}
Add \frac{3}{2} to both sides.
x=\frac{4}{2}+\frac{3}{2}
Convert 2 to fraction \frac{4}{2}.
x=\frac{4+3}{2}
Since \frac{4}{2} and \frac{3}{2} have the same denominator, add them by adding their numerators.
x=\frac{7}{2}
Add 4 and 3 to get 7.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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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