Помогите решить m*x-(3*x/m)-m=7-(8/m)-2*x

Question

Помогите решить
m*x-(3*x/m)-m=7-(8/m)-2*x

Answer 1

Mx-3x/m- m=7-8/m -2x
m²x-3x-m²=7m-8-2xm,m≠0
m²x-3x+2xm=7m-8+m²
x(m²+2m-3)=m²+7m-8
x*(m+3)(m-1)=(m+8)((m-1)
1)m=-8
x=0
2)m=-3
x∈∅
3)m=1
x∈R
4)m≠1
x=(m+8)/(m+3)