Question

Решите уравнение: 4 (2+x) + 3x = 15​

Answer 1

Пошаговое объяснение:

$4(2 + x) + 3x = 15 \\ 8 + 4x + 3x = 15 \\ 7x = 15 - 8 \\ 7x = 7 \\ x = \frac{7}{7} \\ x = 1$

Answer 2

Ответ:

$4(2 + x) + 3x = 15 \\ 8 + 4x + 3x = 15 \\ 8 + 7x = 15 \\ 7x = 15 - 8 \\ 7x = 7 \\ x = 7 \div 7 \\ x = 1$