Add x/11 to each side of the equation to isolate a:10ac - x/11 + x/11 = 3 + x/11
Cancelling the x/11 on the left side, we get:10ac = 3 + x/11
Divide each side by 10c to isolate a:10ac/10c = 3 + x/11
Cancelling the 10c on the left side, we get:a = 3/10c + x/110c
