SOLUTION: please teach me step by step how to get the answer to this: Solve the inequality. Graph the solution set on the real number line. Note: A square bracket([) is the same as filled in

Question 739688: please teach me step by step how to get the answer to this: Solve the inequality. Graph the solution set on the real number line. Note: A square bracket([) is the same as filled in circle. A curved bracket, i.e. (, is the same as an open circle.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
the inequality .

The green arrow represents all the numbers that satisfy .
If we pick any number above the green arrow and plug it in for , the inequality will be ( is included).

or, if you have:

is excluded, is not a solution

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