clasa a7ax+1pe7 =8pe7​

Răspuns :

[tex]x + \frac{1}{7} = \frac{8}{7} \\ \\ x + \frac{1}{7} - \frac{1}{7} = \frac{8}{7} - \frac{1}{7} \\ \\ x = \frac{8}{7} - \frac{1}{7} \\ \\ x = \frac{8 - 1}{7} \\ \\ x = \frac{7}{7} \\ \\ x = 1 [/tex]