( - 8/5) x -6 = -54
-8/5 x -6 = -54
 multiply both sides of the equation by 5 
-8 x -30= -270
-8 x -30 = - 270
 move constant to the right side and change its sign 
-8 x = -270 + 30
-8 x = - 270 + 30
calculate the sum 
-8 x = -240
divide both sides of the equation by -8 
then you have your awnser 
x = 30
i hope this helps!