equation

[final prism]

|2|x|-3|=3

[humble arrow]

2|x|-3=+-3
(+). 2|x|-3 = 3 => 2|x| = 6 => x=+-3
(-). 2|x|-3 = -3 => 2|x| = 0 => x=0

[final prism]

Thankks man

[proven junco]

.solved