Question

х+5х+(5х-2)=75 как записать решение?

Answer 1

x+5x+(5x-2)=75

x+5x+5x-2=75

11x=77

x=7

Answer 2

х + 5х + 5х - 2 = 75

11 х = 75 + 2

11х = 77

х = 77 \ 11

х = 7