Question

3x-12=18x
please show work

Answer 1

So I'm assuming you're trying to solve for x?

Answer 2

yeah

Answer 3

Well, first I would subtract 3x from 18x which would result in -12=15x.

then you would divde by -12 on both sides. -12/-12=15x/-12

that would simplify into the fraction x= -5/4

Answer 4

\[3x-12=18x\]\[3x-12\color{red} {-3x}=18x\color{red} {-3x}\]\[-12=15x\]\[-12\color{red} {\div (15)}=15x\color{red} {\div (15)}\]\[-12/15~~~=~~~x\]

Answer 5

Good?

Answer 6

Oh poop. I'm crazy @SolomonZelman is right. Sorry! I got a little muddled.

Answer 7

technically....
you could factor it first to make life a bit easier :P
but whatever works