X乘以4分之3等于50减X怎么做
问题描述:
X乘以4分之3等于50减X怎么做
答
(3/4)x=50-x
3x=200-4x
7x=200
x=200/7
X乘以4分之3等于50减X怎么做
(3/4)x=50-x
3x=200-4x
7x=200
x=200/7