Tentukan nilai × pertidaksamaan |5×-10|kdsd 20 #kdsd=kurangdarismadengan

|5x-10| ≤ 20
☞ 5x-10 ≤ 20
5x ≤ 20 + 10
5x ≤ 30
x ≤ 30/5
x ≤ 6
☞ -(5x-10) ≤ 20
-5x + 10 ≤ 20
-5x ≤ 20 - 10
-5x ≤ 10
x ≤ 10/-5
x ≥ -2

HP : { -2 ≤ x ≤ 6 }