Question

Розвязати рівняння : 13/14х -4/21х+1/7х=2 1/3.

Answer 1

$\frac{13}{14} x - \frac{4}{21} x + \frac{1}{7} x = 2 \frac{1}{3} \\ \frac{39}{42} x - \frac{8}{42} x + \frac{6}{42} x = 2 \frac{1}{3} \\ \frac{37}{42} x = 2 \frac{1}{3} \\ x = \frac{7}{3} \div \frac{37}{42} \\ x = \frac{7 \times 42}{3 \times 37} \\ x = \frac{98}{37} \\ x = 2 \frac{24}{37}$