Question

Solve for x in the following in-equation, if the replacement set is R; 

3x + 2 ≤ 11 

Answer 1

3x + 2 ≤ 11

3x + 2 ≤ 11

3x ≤ 11 - 2 

3x ≤ 9 

x ≤ `9/3`

x ≤ 3

Since, replacement set is R

Solution set= {x : x ∈ R and x ≤ 3}