Question

x+ 4≤2 la puterea 3 va rog sa mil faceti repede

Answer 1

x+4≤8
x≤8-4
x≤4
 x(- infinit,4]

Answer 2

x+4≤2³
x+4≤8|-4
x≤4
x∈{0,1,2,3,4}