5X*7+3X*8=5X*7+9
问题描述:
5X*7+3X*8=5X*7+9
答
5X*7+3X*8=5X*7+9
24x=9
x=3/8
5X*7+3X*8=5X*7+9
5X*7+3X*8=5X*7+9
24x=9
x=3/8