Question

Rezolvati in Z ecuatiile:

a) |x-2| =5 .
b) 4 supra |x-2| = 1.
c) ||x+1|-4| =2.

Answer 1

a) x=5+2
x=7
b) x-2=4 :1
x-2=4
x=4+2
x=6
c) x=6