Question

$3 \times \frac{2(7y - 4)}{5} = - 7$
​

Answer 1

Ответ:

- 11/42

Пошаговое объяснение:

$3 \times \frac{2(7y - 4)}{5} = - 7 \\ \frac{6(7y - 4)}{5} = - 7 \\ \frac{42y - 24}{5} = - 7 \: \: | \times 5 \\ 42y - 24 = - 35 \\ 42y = - 35 + 24 \\ 42y = - 11 \: \: | \div 42 \\ y = - \frac{11}{42}$