SOLUTION: How do I graph 4x - 5<or=to 15 on a number line? Do I use an open or closed circle?

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Question 10922: How do I graph 4x - 5
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
4x - 5 <= 15

Add +5 to each side:
4x <= 20

Divide both sides by 4:
x<= 5

Draw a numberline, place a SOLID circle on the point at 5, and shade to the left, with an arrow on the end of the line indicating that it continues to negative infinity.

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