Sagot :
Bonjour,
d:
-6x +11 ≥ 4x
11≥ 4x+6x
11 ≥ 10x
x≤ 11/10
a:
2(x+5) > (x+3) -(x-1)
2x+5 > x+3 -x +1
2x+5 > 4
2x> 4-5
2x> -1
x> -1/2
a)
2(x+5) > (x+3) -(x-1)
2x + 10 > x+3 -x+1
2x + 10 > 4
2x > 4 - 10
2x > - 6
x > -6/2
X > -3
d)
-6x +11 >= 4x
11 >= 4x + 6x
11 > 10x
x <= 11/10
2(x+5) > (x+3) -(x-1)
2x + 10 > x+3 -x+1
2x + 10 > 4
2x > 4 - 10
2x > - 6
x > -6/2
X > -3
d)
-6x +11 >= 4x
11 >= 4x + 6x
11 > 10x
x <= 11/10