Question

Решите очень срочно
14a+3y
a=2/7
y=-1/6

Answer 1

$14a + 3y = \frac{14}{1} \times \frac{2}{7} + 3 \times ( - \frac{1}{6} ) = \frac{28}{7} - \frac{3}{6} = 4 - \frac{1}{2} = \frac{8 - 1}{2} = \frac{7}{2} = 3.5$