Answer:
x=9.064
Step-by-step explanation:
[tex]x-4=13(6x-54) / multiply by 13 \\ x-4=78x-702\\x-4-78x=-702\\-77x=-702+4\\-77x=-698 / divide both sides by -77\\x=\frac{-698}{-77} = 9\frac{5}{77} = 9.064\\x=9.064[/tex]