Question

|X-1|=2supra3 cum se face?

Answer 1

I x - 1 I = 2/3

x - 1 = 2/3

x = 2/3 + 1

x = 5/3

x - 1 = - 2/3

x = - 2/3 + 1

x = 1/3

x = { 5/3 ; 1/3 }