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-2y<2 /:(-2)
y>1
b)-3z+6-2≤ z-3
-3z+4≤z-3
-3z-z≤-3-4
-4z≤-7 /:(-4)
z≥7/4
c) -12x -32>20x
-12x-20x>32
-32x>32 /:(-32)
x<-1