(4x-1.5)⼀0.5-(5x-0.8)⼀0.2=(1.2-x)⼀0.1求解,务必写计算过程

2024-12-20 16:01:08
推荐回答(1个)
回答1:

(4x-1.5)/0.5-(5x-0.8)/0.2=(1.2-x)/0.1

2(4x-1.5)-5(5x-0.8)=10(1.2-x)
8x-3-25x+4=12-10x
25x-8x-10x=4-3-12
7x=-11
x=-11/7