INEQUALITIES 1E

 

Solve for x if 2x – 1 ≤ x + 50 ≤ 6x.

 

solution

 

2x – 1 ≤ x + 50 and  x + 50 ≤ 6x

 

2x – x ≤ 1+ 50 and  50 ≤ 6x - x

 

x ≤ 51 and  50 ≤ 5x (having divided by 5 both sides)

 

x ≤ 6 and  10 ≤ x

 

 

x ≤ 6 and  x ≥ 10 

 

TRY THIS………………….

 

Solve for x if 2x – 8 ≤ x + 40 ≤ 11x