3/4x+x=4/7怎么算?
问题描述:
3/4x+x=4/7怎么算?
答
3/4x+x=4/7
3x+4x=16/7
7x=16/7
x=16/49
3/4x+x=4/7怎么算?
3/4x+x=4/7
3x+4x=16/7
7x=16/7
x=16/49