Solve for x
x\neq 1
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x+1=x+1
Variable x cannot be equal to 1 since division by zero is not defined. Multiply both sides of the equation by x-1.
x\in \mathrm{R}
This is true for any x.
x\in \mathrm{R}\setminus 1
Variable x cannot be equal to 1.
Examples
Quadratic equation
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Matrix
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Simultaneous equation
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Limits
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