Question

решите уравнение |х + 1,6| = 0,4

Answer 1

|x+1.6|=0.4
х+1.6=0.4
х=0.4-1.6
х=-1.2

Answer 2

(x+1.6)=0.4
x+1.6=0.4
x=1.6-0.4
x=1.2