解方程:﹙1﹚1⼀3﹙x+1﹚=1⼀7﹙2x-3﹚ ﹙2﹚2x+1⼀3-5x-1⼀6=3 ﹙3﹚0.1x+0.2⼀0.02-x-1⼀0.5=3

2024-11-30 13:28:06
推荐回答(2个)
回答1:

1/3(x+1)=1/7(2x-3) 2x+1/3-5x-1/6=2 0.1x+0.2/0.02-x-1/0.5=3
解:1/3x+1/3=2/7x-3/7 解: -3x =3+1/6-1/3 解:0.1x+10-x-2=3
1/3x-2/7x=-1/3-3/7 -3x =17/6 -0.9x =3-8
1/21x= -16/21 x = - 17/18 -0.9x = -5
x = -16/21*21 x=50/9
x= - 16
我第一个楼主,采纳我吧楼主,打得很累的。

回答2:

(1) x=-16
(2) x=-17/18
(3) x=50/9