Question

How would I solve this i got 4.5

Answer 1

Answer:

$up \: is \: the \: angle \: bisector \\ so \: 54 = 5x - 6 \\ 5x = 54 + 6 \\ 5x = 60 \\ x = \frac{60}{5} = 12 \\ thank \: you$

Answer 2

Answer:

$54 = 5x - 6 \\ 5x = 54 + 6 \\ 5x = 60 \\ x = \frac{60}{5} = 12.$