Question

Solve 12|x|−7=812|x|-7=8​

Answer 1

`\huge{\boxed{x=\pm(5)/(4)}`

Explanation:

`12|x|-7=8\qquad\text{add 7 to both sides}\\\\12|x|-7+7=8+7\\\\12|x|=15\qquad\text{divide both sides by 12}\\\\(12|x|)/(12)=(15)/(12)\\\\|x|=(15:3)/(12:3)\\\\|x|=(5)/(4)\iff x=\pm(5)/(4)`

Answer 2

Explanation:

It's unclear, but if is the question

12x-7=8

then

x=
`(5)/(4)`