Question

Preciso da resposta
X+6=4
2x=x+9
3x+4x=2

Answer 1

$x + 6 = 4 \\ x = 4 - 6 \\ x = - 2 \\ \\ 2 \times = x + 9 \\ 2 \times - x = 9 \\ x = 9 \\ \\ 3x + 4 \times = 2 \\ 7x = 2 \\ x = \frac{2}{7}$