Solve for x
x = \frac{5}{2} = 2\frac{1}{2} = 2.5
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2x=9-4
Subtract 4 from both sides.
2x=5
Subtract 4 from 9 to get 5.
x=\frac{5}{2}
Divide both sides by 2.
Examples
Quadratic equation
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Linear equation
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Matrix
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Limits
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