Question

Решите уравнение: 2(12 3/5 + 2x)=-6

Answer 1

2(12 3/5 + 2x) = - 6
12 3/5 + 2x = - 6 : 2
12 3/5 + 2x = - 3
2x = - 3 - 12 3/5
2x = - 15 3/5
  x = - 78/5 : 2
  x = - 39/5
  x = - 7  4/5

Answer 2

12 3/5+2x= -3
2x=-12 3/5-3
2x=-15 3/5
x= -78/5:2
x= -39/5
x=-7,8