Question

решите уравнение 9/13-х-1/13=5/13

Answer 1

х=9/13-1/13-5/13
х=3/13

Answer 2

9/13-Х-1/13=5/13
9/13-Х=5/13+1/13
9/13-Х=6/13
Х=9/13-6/13
Х=3/13
9/13-313-1/13=513
                5/13=513