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