Solve for x
x=80
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x+1=81
Square both sides of the equation.
x+1-1=81-1
Subtract 1 from both sides of the equation.
x=81-1
Subtracting 1 from itself leaves 0.
x=80
Subtract 1 from 81.
Examples
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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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