Answer :
Watch carefully:
8x - 9y = 11
Add 9y to each side: 8x = 11 + 9y
Subtract 11 from each side: 8x - 11 = 9y
Divide each side by 9 : y = 1/9 of (8x - 11)
8x-9y=11
subtract 8x from both sides
-9y= -8x+11
divide both sides by -9
y= 8/9x-11/9
hope this helps