Hep I’m bout to fail if I don’t get this right will give brainless if correct

Answer:
[tex]x = 4[/tex]
[tex]ac = 56[/tex]
Step-by-step explanation:
[tex]6x + 3 = 7x - 1[/tex]
[tex]7x - 6x = 3+ 1[/tex]
[tex]6x + 3 + 7x + 1 = 56[/tex]
[tex]x = 4[/tex]