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x-3x>-5½
2x>11/2
x>2¼
b)x-2(x+1)≤1-x
x-2x-1≤1-x
x-2x+x≤1+1
0≤2 ?
c)2x+2(⅔-x)<-8
2x+4/6-2x<-8
2x-2x<-8 2/3
0<-8 2/3 ?
d)(x-5)•2-1½(x-1)≥-1
2x-10-½x+½≥-1
2x-1½x≥-1+10-1½
½x≥7½
x≥15