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Mathematics 16 Online
OpenStudy (anonymous):

Solve the inequality and type the solution in interval notation. No spaces! -25 ≤ -3x - 4<-13

OpenStudy (tkhunny):

What's the point of "No Spaces!"? -25 ≤ -3x - 4 < -13 Add 4 -21 ≤ -3x < -9 Divide by -3 \(7 \ge x > 3\) The only tricky part was remembering to reverse the inequalities for tha tnasty negative division. You do the Interval Notation.

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