Question

- 2 1/5 - 3x = 2 1/4 * x
СРОЧНО

Answer 1

Ответ:

$- \frac{44}{105}$

Пошаговое объяснение:

$- 2 \frac{1}{5} - 3x = 2 \frac{1}{4} \times x \\ - \frac{11}{5} - 3x = \frac{9}{4} \times x \\ - 44 - 60x = 45x \\ 60x - 45x = 44 \\ - 105x = 44 \\ x = 44 \div ( - 105) \\ x = - 44 \div 105 \\ x = - \frac{44}{105}$