4-7分之3X=13-7分之5X
问题描述:
4-7分之3X=13-7分之5X
答
28-3X=91-5X
2X=63
X=63/2.
4-7分之3X=13-7分之5X
28-3X=91-5X
2X=63
X=63/2.