Question

81 цел. 5/6 - x = 79цел. 3/4

Answer 1

81 цел. 5/6 - x = 79цел. 3/4

x = 81 5/6 - 79 3/4

x = 81 10/12 - 79 9/12

x = 2цел. 1/12

Answer 2

$frac{491}{6} - x = frac{319}{4} \ \ - x = frac{319}{4} - frac{491}{6} \ \ - x = - frac{25}{12} \ \ x = 2 frac{1}{12}$