Solve for x
x = \frac{9}{4} = 2\frac{1}{4} = 2.25
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4x=2+7
Add 7 to both sides.
4x=9
Add 2 and 7 to get 9.
x=\frac{9}{4}
Divide both sides by 4.
Examples
Quadratic equation
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Linear equation
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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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