Question

Помогите СРОЧНО 4 (уравнение)

Answer 1

1/4 • х + 5/12 = 2 4/5 + 7/10
х/4 = 14/5 + 7/10 - 5/12
х/4 = 28/10+7/10 - 5/12
х/4 = 35/10 - 5/12
х/4 = 7/2 - 5/12
х/4 = 42/12 - 5/12
х/4 = 37/12
х = 37•4/12
х = 37/3 = 12 1/3