MCQ
Which of the following is an equation?
- A$x + 1$
- B$x - 1$
- ✓$x - 1 = 0$
- D$x + 1 > 0$
We know that, an expression with a variable, constants and the sign of equality $(=)$ is called an equation.
So, $x - 1 = 0$ is an equation.
Hence, $(c)$ is correct option.
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