Question

解关于x的方程；三分之一m(x-n)=四分之一（x+2m)

Answer 1

m*(x-n)/3=(x+2m)/4 → 4m*(x-n)=3*(x+2m)_→ (4m-3)*x=6m+4mn → x=(6m+4mn)/(4m-3)