Question

Срочно нужна помощь!

Answer 1

($\frac{3}{4}$x + $\frac{1}{7}$x) × 28 = 75

$\frac{3}{4}$x + $\frac{1}{7}$x = $\frac{75}{28}$

$\frac{25}{28}$x = $\frac{75}{28}$

x = $\frac{75}{28}$ × ($\frac{28}{25}$)

x = $\frac{75}{25}$

x = 3