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