解方程5:.39+2x=10 2m+4m=12.3 1.01x-x=0.932 3x+5x-8=80 x+1.21-0.79=10 8(x-3)=2x

2025-05-15 09:23:01
推荐回答(4个)
回答1:

39+2x=10
2x=-29
x=-29/2
x=-14.5
2m+4m=12.3
6m=12.3
m=2.05
1.01x-x=0.932
0.01x=0.932
x=93.2
3x+5x-8=80
8x-8=80
8x=88
x=11
x+1.21-0.79=10
x=10+0.79-1.21
x=9.58
8(x-3)=2x
8x-24=2x
6x=24
x=4

回答2:

(1) x=-14.5
(2) m=2.05
(3) x=9.32
(4) x=11
(5) x=9.58
(6) x=4

回答3:

我觉得横简单

回答4:

太懒了,拒绝回答