Question

 a) x : (-3)= (-11)
b) |x-3|=6
c) - x +5 ≤ 4

Answer 1

a) x = (-11) * (-3) = 33
b) -6 =x-3 = 6
x-3 = 6 , => x =9
-6=x-3 -> x =-3
c)-x ≤ 4-5
-x ≤ -1 / (inmultesc cu -1 si se schimba semnul)
x ≥ 1

Answer 2

a)x=11÷3
b)|x-3|=6=> x-3=6, x=9
c)-x≤-1|×-1 => x≥1 x∈[1,+infinit]