Question

Поможіть будь ласка ​

Answer 1

$3\frac{3}{4}(x-\frac{2}{7})=7\frac{1}{2}\\\\ \frac{15}{4}(x-\frac{2}{7})=\frac{15}{2}\\\\ \frac{15}{4}x-\frac{15}{14}=\frac{15}{2}\\\\ 105x-30=210\\\\ 105x=210+30\\\\ 105x=240\\\\ x=\frac{16}{7}=2\frac{2}{7}$