解方程:(0.5*x+2)⼀0.03-x=(0.3(0.5*x+2))⼀0.2-131⼀12给出步骤

2024-12-26 23:48:25
推荐回答(2个)
回答1:

(0.5*x+2)/0.03-x=(0.3(0.5*x+2))/0.2-131/12
12*(0.5*x+2)/0.03-12x=12*(0.3(0.5*x+2))/0.2-131
400*(0.5*x+2)-12x=60*(0.3(0.5*x+2))-131
200x+800-12x=18(0.5*x+2)-131
188x+931=9x+36
179x=-895
x=-5

回答2:

山东