How do you solve $- 4 x > 12$ ?

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Solution

Solve for $x$ :
Given $- 4 x > 12$
$\Rightarrow$ $4 x < - 12$ (Multiplying both sides by $- 1$ )
$\Rightarrow$ $x < - 3$ (Divide both sides by $4$ )
$\Rightarrow$ $x \in (- \infty, - 3)$
Hence, the solution of $- 4 x > 12$ is $x \in (- \infty, - 3)$ .

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