Step-by-step explanation:
[tex] \frac{2}{7} x - 7 = 9x - 4[/tex]
[tex] \frac{2}{7} x - 9x = - 4 + 7[/tex]
[tex] \frac{2}{7} x - \frac{63}{7} x = 3[/tex]
[tex] \frac{ - 61}{7} x = 3[/tex]
[tex]x = 3 \times \frac{7}{ - 61} [/tex]
[tex]x = - 0.344[/tex]
