Bonsoir
6)
-9x+1 > 11*5
-9x+1 > 55
-9x > 55-1
-9x > 54
x > -54/9
x> -6
7)
2-3 ≤ 4x
-1 ≤ 4x
-1/4 ≤ x
x ≥ -1/4
8)
x√2 > 1+1
x√2 > 2
x > 2/√2
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Bonsoir
6)
-9x+1 > 11*5
-9x+1 > 55
-9x > 55-1
-9x > 54
x > -54/9
x> -6
7)
2-3 ≤ 4x
-1 ≤ 4x
-1/4 ≤ x
x ≥ -1/4
8)
x√2 > 1+1
x√2 > 2
x > 2/√2