Tolong nomor 13 di bantu pake caranya yaa makasii

1/2 ( × - 6 ) = 2 + 4/3× (dikali 6 )
3 (x - 6) = 12 + 8×
3× - 18 = 12 + 8×
3× - 8× = 12+18
-5× = 30
× = -6

× =p
maka = 2p - 1
= 2(-6) - 1 = -12-1= -13