7 4 y 3 2 x 2 5 July 8, 2019 16 32 64 128 7 + 4(3 - y) = 5(y + 2) 4 7*(-4y-3)-3 5*(6-2y)=0 3 (4 + y)/2 - (y + 2)/7 y + 3 4 + (7y - 3)/5 (3y + 5)/4 - (3y)/2 4) 3)
