[tex] \frac{2}{3} x + 5 = 1[/tex]
[tex] \frac{2}{3} x = 1 - 5[/tex]
[tex] \frac{2}{3} x = ( - 4)[/tex]
[tex]x = ( - 4) \div \frac{2}{3} [/tex]
[tex]x = ( - 4) \times \frac{3}{2} [/tex]
[tex]x = \frac{ - 12}{ \: \: \: 2} [/tex]
[tex]x = ( - 6)[/tex]
[tex]∴ \frac{2}{3} \times ( - 6) + 5 = 1[/tex]