Question

Решите уравнение: 1/3х+1= -1/4(х+4/5)

Answer 1

1/3x+1=-1/4(x+4/5)
1/3x+1=-1/4x-4/20
1/3x+1/4x=-1-4/20
7/12x=-6/5
x=-6/5:7/12
x=-72/35