6th grade math help me pleaseeee

Answer:
No
Step-by-step explanation:
Because first you have to distribute so you will do
[tex]3 \times 4 = 12[/tex]
[tex]3 \times x = 3x[/tex]
Than You will combine 5x and 3x
[tex]5x + 3x = 8x[/tex]
Last you will get
[tex]8x - 12[/tex]