Question

ПОМОГИТЕ СРОЧНО ДАЮ 10 БАЛОВ

Answer 1

3/8+x=21/16
x=21/16-3/8
x=15/16

Answer 2

Ответ:

$x = \frac{15}{16}$

Пошаговое объяснение:

$\frac{3}{8}+x=1\frac{5}{16}\\\\ x = 1\frac{5}{16} -\frac{3}{8}\\\\ x = \frac{21}{16} - \frac{3*2}{8*2}\\\\ x = \frac{21}{16}-\frac{6}{16}\\\\ x = \frac{21-6}{16}\\\\ x = \frac{15}{16}$