Odpowiedź:
X-3x+2-0,2x-1/7= - 2,2x-1 6/7
[tex]-2x-0,2x=-\frac{1}{7}-2\\-2,2x=-\frac{15}{7} \\\\-\frac{22}{10}x=-\frac{15}{7} /*-\frac{10}{22} \\x=-\frac{15}{7}*(-\frac{10}{22})\\x = \frac{150}{154}=\frac{75}{77}[/tex]
