Question

погите решить уравнение (х-3 13/21)+ 2 10/21=

Answer 1

(х - 3 13/21) + 2 10/21 = 0
х - 3 13/21 = -2 10/21
х = -2 10/21 + 3 13/21 = 3 13/21 - 2 10/21 = 1 3/21 = 1 1/7