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Solve this inequality for x 81 -1 1/5r <55
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Solve this inequality for x 81 -1 1/5r <55

User Sagar Rakshe
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81-1(1)/(5)r < 55\qquad|\text{subtract 81 from both sides}\\\\-(1\cdot5+1)/(5)r < -26\qquad|\text{change the signs}\\\\(6)/(5)r > 26\qquad|\text{multiply both sides by 5}\\\\6r > 130\qquad|\text{divide both sides by 6}\\\\r > (130)/(6)\\\\r > (65)/(3)\to r > 21(2)/(3)

User Balkrishna Rawool
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