Question

Blank x – 18 = 3( – x – 6 )

Answer 1

We expand the bracket :
3(-x - 6) = 3 x (-x) - (3 x 6)
= -3x - 18.

So, we have :

___ - 18 = -3x - 18

Add 18 to both sides :
___ = -3x
=> The quantity we need to find is -3x.