(5X-1200)/(4X-1200)=13/10的解法解方程
问题描述:
(5X-1200)/(4X-1200)=13/10的解法
解方程
答
7200
答
(5X-1200)/(4X-1200)=13/10交叉相乘
10(5X-1200)=13(4X-1200)
50x-12000=52x-15600
3600=2x
x=7200