96 - 4.5y - 3.2y = 5.6y + 42.80 We can simplify the (-4.5y - 3.2y) 96 - 7.7y = 5.6y + 42.80 We can add 7.7y to both sides 96 = 7.7y + 5.6y + 42.80 Simplify the right side 96 = 13.3y + 42.80 Subtract 42.80 from both sides 53.2 = 13.3y Divide both sides by 13.3 4 = y Done