Question

реши уравнение (8c-1)x5=235

Answer 1

8c-1=235:5
8c-1=47
8c=47+1
8c=48
c=48:8
c=6

Answer 2

(8с-1)*5 =235

8с-1=235 :5 

8с-1=47

8с=48

с=48 :8

с=6