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7x-3<2x+17
7x-2x< 17+3
5x < 20
x < 4
HP = {x | x < 4} = {3,2,1,...}
2.
3x+7>2x+3
3x-2x >3-7
x > -4
HP = { x | x > -4} = {-3,-2,-1,0,1,...}
3.
4x-5< 2x+3
4x-2x < 3+5
2x < 8
x < 4
HP = {x | x < 4} = {3,2,1,...}
semoga membantu :)