State which of the following are equations (with a variable). give reasons for your answer. Also mention which variable is used from the equations with a variable
$4 x + 7 < 3$

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Solution

An equation is a mathematical statement containing an equal sign which shows that two expressions are equal.
$4 x + 7 < 3$
It has a variable $x$ but It does not have $=$ sign, so it is not a statement of equality
Hence, it is not an equation.

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$4 x + 7 < 3$

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State which of the following are equations (with a variable). give reasons for your answer. Also mention which variable is used from the equations with a variable 4x+7<3

An equation is a mathematical statement containing an equal sign which shows that two expressions are equal. 4x+7<3 It has a variablex but It does not have =sign, so it is not a statement of equalityHence, it is not an equation.

State which of the following are equations (with a variable). give reasons for your answer. Also mention which variable is used from the equations with a variable
$4 x + 7 < 3$

An equation is a mathematical statement containing an equal sign which shows that two expressions are equal.
$4 x + 7 < 3$
It has a variable $x$ but It does not have $=$ sign, so it is not a statement of equality
Hence, it is not an equation.