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b)x<2
c)x<_ 5
d)x>_ -2
e)x>3.2
f)x>1.5
2x-4x<5-1
-2x<4 / :[-2]
x>-2
6-x>2x
-x-2x>-6
-3x>-6 /:[-3]
x<3
2(x-3) ≤ 4
2x-6≤4
2x≤4+6
2x≤10 /:2
x≤5
2x-4x < 5-1
-2x < 4 /:(-2)
x > -2
b) 6-x > 2x
-x-2x >-6
-3x >-6 /:(-3)
x < 2
c) 2(x-3) ≤ 4
2x-6 ≤ 4
2x ≤ 4+6
2x ≤ 10 /:2
x ≤ 5
d) (6-x):2 ≤ 7
3-½x ≤ 7
-½x ≤ 7-3
-½x ≤ 4 /*(-2)
x ≥ -8
e) ½(3x+5) > 2
1,5x+2,5 > 2
1,5x > 2-2,5
1,5x > -0,5 /:1,5
x > -⅓
f) 2(x+1) < 4x
2x+2 < 4x
2x-4x < -2
-2x < -2 /:(-2)
x > 1