(-1/30)/(2/3-1/10+1/6-2/5) 1-8(1/4+0.5x)=3(1-2x){ 3/2x+3x>9 4x-34≤96-9x 2x-5>4x 1/2x+3≤2-1/4x 2(x-3)-3(x+1)>0

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