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2x-x-¼ < 3x-½ +x
x-¼ < 4x-½ |-x
-¼<3x-½|+½
¼<3x|:3
x> 1/12
f).
2x+1/4-x≥1-x/2
x+¼≥1-x/2|-1
x-¾≥-x/2|*2
2x-¾≥x
-3x≥-¾|:(-3)
x≤¼