Question

( 2 + x : 7 ) : 6 = 54

Answer 1

$(2 + x \div 7) \div 6 = 54 \\ (2 + \frac{1}{7} x) \times \frac{1}{6} = 54 \\ \frac{14 + x}{7} \times \frac{1}{6} = 54 \\ 14 + x = 2268 \\ x = 2268 - 14 \\ x = 2254$