Question

Va rog rezolvati: (x-4)(e-4)+4=x !!!!!!!!

Answer 1

x(e-4) -4(e-4) + 4 = x

x(e-4-1) = 4e-16-4

x(e-5) = 4e-20

x(e-5) = 4(e-5) si simplificam prin e-5, cu conditia ca e-5≠0, adica e≠5

x=4