Szczegółowe wyjaśnienie:
[tex]9x - 7 = 3x + 10 \\ 9x - 3x = 10 + 7 \\ 6x = 17 \\ x = 17 \div 6 \\ x = \frac{17}{6} = 2 \frac{5}{6} [/tex]
9x - 7 = 3x + 10
9x - 3x = 10 + 7
6x = 17
x = [tex]\frac{17}{6}[/tex]
x = 2[tex]\frac{5}{6}[/tex]
