9 y 4 )= 5 3y 2 ) 7y July 8, 2019 16 32 64 128 9 y 4 )= 5 3y 2 )+ 7y 9 - 7y =2 5-3y 4 5(-8y - 7) - 3 9(6 - 9y) = 4) 2 7 + 3y = 9(y - 2 1)
