Question

# Linear equation in one variable has:

A

Only one variable with any power

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B

Only one term with a variable

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C

Only one variable with power $1$

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D

Only constant term

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Solution

## The correct option is C Only one variable with power $1$Explanation for correct option:Define the linear equation in one variableAn equation of the form of $ax+b=0$ is said to be linear equation in one variable. Here, $a$ and $b$ are constants and $a\ne 0$, and $x$ is a variable.Some examples of linear equation in one variables are $27x=3,p=7,7m+2=3m$ etc.From the standard form of the linear equation on one variable, it is clear that a linear equation on one variable consists of only one variable and the highest power of the variable is $1$.Hence, option (C) is the correct option.

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