Is the expression - 12x-18 equivalent to the expression - 6x-9-3 (3-2x)

-12x-18=-6x-9-3 (3-2x)

-12x-18=-6x-9-9+6x

-12x-18=-6x+6x-9-9

-12x-18=-18

-12x-18=-18

+18=+18

-12x=0

X=0

-12x-18 and - 6x-9-3 (3-2x)

First, distribute the - 3 into the parentheses. The second expression will turn out as such:

-6x-9-9-6x.

From here, you need to combine like terms (variables and numbers). - 12x-18.

So, yes, these two expressions are equal.