Solve for x
x=5
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x=26-21
Subtract 21 from both sides.
x=5
Subtract 21 from 26 to get 5.
Examples
Quadratic equation
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Linear equation
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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