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E) 2(x+1)> 3
f) 2x+3(x+2) >5
g) 3(x+2) < 2(x+3)


Răspuns :

2x+2>3
2x>1
x>1/2 
x∈(1,+∞)
b) 
2x+3(x+2) >5 
2x+3x+6>5
5x>-1
x>-1/5
x∈(0,+∞)
c) 3(x+2) < 2(x+3)
3x+6<2x+6
x<0
nu are solutii in N}