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Questions  

 The solution set of the inequality 2x+22x+32x+4>5x+15x+2 is 

a
(−∞,∞)
b
(−∞,−1)
c
(0,∞)
d
(−1,∞)

detailed solution

Correct option is C

Rewrite the inequality as2x(4−8−16)>5x(5−25)⇒(2/5)x<1⇔x∈(0,∞)

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