Question

27:[26+(6xa-7x3):9]+(13-2x2 x3)=2. ajutatima va rog !!!!

Answer 1

27:[26+(6×a-7×3):9]+(13-2×2×3) = 2
27:[26+(6×a-21):9] = 2-1
26+(6×a-21):9 = 27:1
(6×a -21):9 = 27-26
6×a-21 = 9×1
6×a = 9+21
6×a = 30 | :6
a = 5