# Chapter 2 - Section 2.4 - Linear Inequalities in Two Variables - 2.4 Exercises: 9

$x\leq4$

#### Work Step by Step

We know that if an inequality has an "equal" sign (e.g. "$\leq$" or "$\geq$"), then a solid line should be graphed. If the inequality does not have an "equal" sign (e.g. "$\lt$" or "$\gt$"), then a dashed line should be graphed. We also know that if an inequality has a "less than" sign (e.g. "$y\lt$..." or "$y\leq$..." or "$x\lt$..." or "$x\leq$..."), then the shading should be below or left of the line. If the inequality has a "greater than" sign (e.g. "$y\gt$..." or "$y\geq$..." or "$x\gt$..." or "$x\geq$..."), then the shading should be above or right of the line. In this case, we have a solid line and shading to the left, therefore: $x\leq4$

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