In Andre's math class, he solved this equation LaTeX: \frac{3}{4}x\:=\:123 4 x = 12. Here are his steps: Step 1: LaTeX: \frac{3}{4}x=123 4 x = 12

Step 2: LaTeX: \frac{3}{4}\left(\frac{3}{4}x\right )=12\cdot\frac{3}{4}3 4 ( 3 4 x ) = 12 ⋅ 3 4

Step 3: LaTeX: x\:=\:9x = 9

Did he solve it correctly? Justify your reasoning using academic vocabulary.