Question

|x-5|+|1-v5|=v5

v-radical

Dau coroanaa

Answer 1

|1-√5|=-(1-√5)=√5-1

|x-5|+|1-√5|=√5

|x-5|+√5-1=√5

|x-5|=√5-√5+1

|x-5|=1

Cazul 1:

x-5=1

x=5+1=6

Cazul 2:

x-5=-1

x=-1+5=4

x∈{4;6}