Rezolvati ecuatiile: a) 14-/-x+4/= -8 b) /x-1/+ radical din x la a doua +2=0

Răspuns :

a)14-|-x+4|=-8

14-|4-x|=-8

-|4-x|=-8-14=-22

|4-x|=22

4-x=22

-(4-x)=22

-x=22-4=18

x=-18

-4+x=22

x-4=22

x=22+4=26