Solve the inequality, 3x-1<5x+8<2x+15, giving the solution set as an interval.
3x-1<5x+8
Solve by subtracting both sides by 3x
-1<2x+8
Subtract both sides by 8
-9<2x
Divide by 2
x>-9/2
5x+8<2x+15
Subtract both sides by 2x and 8
3x<7
x<7/3
Interval notation: (-9/2, 7/3)
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