Verified answer

Пошаговое объяснение:

[tex]7x + 4 = 5x - 2 \\ 7x + 4 - 5x = - 2 \\ 2x + 4 = - 2 \\ 2x = - 2 - 4 \\ 2x = - 6 \\ x = - 6 \div 2 \\ x = - 3[/tex]

Ответ:

[tex]7x + 4 = 5x - 2 \\ 7x - 5x = - 2 - 4 \\ 2x = - 6 \\ x = - 3[/tex]