Question

решите неравенства 13-2(1-3x)≤2x+11

Answer 1

13-2(1-3x)≤2x+11
13-2+6x≤2x+11
6x-2x≤11-11
4x≤0
x≤0
x∈(-∞;0]

Answer 2

13-2(1-3x)≤2x+11
13-2+6x≤2x+11
6x-2x≤11-11
4x≤0
x≤0
x∈(-∞;0]