Question

люди добрые помогите 252

Answer 1

1.
$4 - x + 1 frac{1}{5} = frac{187}{60}$
$5 frac{1}{5} - x = frac{187}{60}$
$frac{26}{5} - x = frac{187}{60}$
$- x = frac{187}{60} - frac{26}{5}$
$- x = - frac{25}{12}$