Question

упростите выражения 2\3 (x-6y)-1\3(2x-y)

Answer 1

$\frac{2}{3} x - 4y - \frac{2}{3} x + \frac{1}{3} y = - 4y + \frac{1}{3} y = - \frac{11}{3} y = 3 \times \frac{2}{3} y$