Question 1(i)

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

$7 = (11 \times 5) - (12 \times 4)$

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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, $7 = (11 \times 5) - (12 \times 4)$ is an equation.

A variable is a letter that represents an unknown quantity which can take any value.There is no variable in the given equation.

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