解方程:(2x-1)⼀0.2=7-(x+0.3)⼀0.5

2024-11-25 21:45:40
推荐回答(1个)
回答1:

(2x-1)/0.2=7-(x+0.3)/0.5
10x-5=7-2(x+0.3)
10x-5=7-2x-0.6
10x+2x=7+5-0.6
12x=11.4
x=11.4÷12
x=19/20