# SOLUTION: how do I Solve the inequality 21/15-3x<0, and express the solution as an interval

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 Question 96774: how do I Solve the inequality 21/15-3x<0, and express the solution as an intervalAnswer by coyote(32)   (Show Source): You can put this solution on YOUR website!21/15-3x<0 multiply both sides by 15, so 15(21-3x) < 0(15) 21-45x < 0 now subtract 21 from both sides -45x < -21 multiply both sides by -1/45 x > 21/45 or simplified 7/15 (Notice in the above step that I reversed the inequality sign since you must when we multiply (or divide) by a negative To express as an interval: (7/15,inf)