Sagot :
Hello !!
4x + 5 ≤ - x + 100
4x + x ≤ 100 - 5
5x ≤ 95
x ≤ 95/5
x ≤ 19
x - 10 ≤ 4x + 23
x - 4x ≤ 23 + 10
-3 x ≤ 33
x ≥ -33/3
x ≥ - 11
Bonne journée
Hello !!
4x + 5 ≤ - x + 100
4x + x ≤ 100 - 5
5x ≤ 95
x ≤ 95/5
x ≤ 19
x - 10 ≤ 4x + 23
x - 4x ≤ 23 + 10
-3 x ≤ 33
x ≥ -33/3
x ≥ - 11
Bonne journée