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2010-03-30T08:07:58+02:00
4x>5(x+1) <=> 4x>5x+5 <=> -x>5 <=> x<-5

2(x+1)<3(x+1)-x <=> 2x+2<3x+3-x <=>2x-3x+x<3-2 <=> 0<1

3(x+2)-2(3-x)>8 <=> 3x+6-6+2x>8 <=> 5x>8 <=> x>8/5

2(3x-5)+10>3(2x-1) <=> 6x-10+10>6x-3 <=> 0>-3

5(2x+3)>2(x+6)+15 <=> 10x+15>2x+12+15 <=> 8x>12 <=> x>12/8