Which of the following are algebraic expressions?

3 x + 6

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4

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2 x

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\frac{2}{x} = 1

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Solution

The correct options are
A $3 x + 6$
C $2 x$
An algebraic expression is a combination of variables and constants connected with a mathematical operator(s).
It must contain at least one variable.
So, 4 is not an algebraic expression.
$\frac{2}{x} = 1$ is an algebraic equation.
The expressions $3 x + 6$ and $2 x$ are algebraic expressions.

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