Question

Rezolvati ecuatia $\frac{|x|}{|x-1|+|x+3|} =0,(3)$, unde x∈[-3,1] .

Answer 1

0,(3)=3/9=1/3

x/ |x-1|+|x+3| =1/3

3x=|x-1|+|x+3|
3x=x-1+x+3
3x=2x+2
3x-2x=2
x=2