Solve for x
x = \frac{7}{2} = 3\frac{1}{2} = 3.5
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2x=7
Combine x and x to get 2x.
x=\frac{7}{2}
Divide both sides by 2.
Examples
Quadratic equation
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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