Question 1(e)

State whether the given expression is an equation or not.Give reason for your answer.Identify the variable from the given expression.

$5 \times 4 - 8 = 2 x$

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Solution

An equation is a mathematical statement that shows the equality of two expressions. An equation has an equal sign (=) between its left hand side and right hand side. Hence, $5 \times 4 - 8 = 2 x$ is an equation.

A variable is a letter that represents an unknown quantity which can take any value. The variable in the given equation is x.

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