Question

inecuación:  4x + 3 ( x - 1 ) ≤ 5x + 1 - 2x

Answer 1

Tenemos:
4x + 3(x-1) ≤ 5x + 1 - 2x
4x + 3x - 3 ≤ 3x + 1
4x - 3 ≤ 1
4x ≤ 4 
x ≤ 1

∴ x ∈ <∞,1]

Answer 2

4x + 3 ( x - 1 ) ≤ 5x + 1 - 2x

4x+3x-3 ≤3x+1

7x-3 ≤3x+1

7x-3x ≤1+3

4x ≤4

4x/4≤4/4

x≤1