c. 4x - 2/3 - x - 5 lớn hơn bằng x + 3/3 - x -2/2
Giải thích
c. 4x−23−x+3≤1−5x4⇔4.4x−2+12.−x+312≤3.1−5x12⇔16x−8−12x+36≤3−15x⇔4x+28≤3−15x⇔19x≤−25⇔x≤−2519Vậy S=xx≤−2519
c. 4x−23−x+3≤1−5x4⇔4.4x−2+12.−x+312≤3.1−5x12⇔16x−8−12x+36≤3−15x⇔4x+28≤3−15x⇔19x≤−25⇔x≤−2519Vậy S=xx≤−2519