Answer: x < -5
The graph has an open hole at -5 and shading to the left
The graph is below.
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Work Shown:
-3x - 10 > 5
-3x > 5+10
-3x > 15
x < 15/(-3) ... inequality sign flips
x < -5
The inequality sign flips whenever we divide both sides by a negative number.
The graph has an open hole at -5 with shading to the left.
The open hole means "exclude this endpoint from the solution set".