Answer:
X= -a/5 - 6/5c +t
so 6c+a=5(x+t)
1. distribute the 5 to x and t
6c+a=5x+5t
then you want to get x alone - subtract/add on both sides.
6c+a=5x+5t
-a -a
6c=5x+5t-a
-6c -6c
-5x -5x
-5x= (-a) - 6c + 5t
then divide each side by negative 5 to get X.
X= -a/5 - 6/5c +t