16а + 2у при а = 1/8 у = - 1/6
16 * 1/8 + 2 * (- 1/6) = 2 + (-1/3) = 5/3 = 1 2/3
16×1/8+2×(-1/6)=2-1/3=1 3/3-1/3=1 2/3