[tex]7x + 3x + 14 - 4 = 5x + 30 \\ 10x + 10 = 5x + 30 \\ 10x - 5x = 30 - 10 \\ x = 20 \\x = \frac{20}{5} \\ \\ \bf \: x = 4[/tex]
❤️Saludos ❤️
