Question

Solve ill have to send photo

Answer 1

Given the following equation:

3|x| = 12

`\begin{gathered} 3|x|\: =\: 12 \\ /3 \\ (3x)/(3)=(12)/(3) \\ 12/3=4 \\ |x|=4 \\ |u|=a,a>0 \\ x=4,-4 \end{gathered}`

Applying the absolute rule to solve the