5分之x+4-(x-5)=2分之x-2等于多少?

求大神x+4⼀5-(x-5)=x-2⼀2
2025-06-29 08:55:22
推荐回答(1个)
回答1:

(x+4)/5-(x-5)=(x-2)/2
等式两边✖️10 得:
2(X+4)-10(X-5)=5(X-2)
2X+8-10X+50=5X-10
2X-10X-5X=-10-8-50
13X=68
X=68/13