(X-10)x0.1=(X-20)x0.2解方程

(X-10)x0.1=(X-20)x0.2解方程
2025-06-22 23:27:58
推荐回答(1个)
回答1:

(X-10)x0.1=(X-20)x0.2
解:x-10=2(x-20)
x-10=2x-40
2x-x=40-10
x=30