［解ㄧ元一次方程式］初中一年级数学题目，求正确答案和计算过程，给采纳。

Question

如题所述

Answer 1

追答

求采纳

Answer 2

(1)x=-1.75                    (6)x=-1.6

(2)x=2                          (7)x=-13

(3)x=负三分之十           (8)x=30

(4)x=3                          (9)x=-1.8

(5)x=5.5                      (10)x=-2

求采纳！！！

Answer 3

-4x=7
x=7/-4
x=-(7/4)
x-5=-3
x=-3 5
x=2
3x/(-2)=5
3x=-2*5
3x=-10
x=-10/3
x=-(10/3)
-3x 2=-7
-3x=-7-2
-3x=-5
x=-5/-3
x=5/3
3x 2=5x-9
3x=5x-9-2
3x=5x-11
(5-3)x=11
2x=11
x=11/2
x=5.5
7=3-(5/2)x
(5/2)x=3-7
(5/2)x=-4
x=-4/(5/2)
x=4/5
2(x-3)-3(x 1)=4
2x-6-3x-3=4
2x-3x=4 9
-1x=13
x=-13
10.15x-2=2.5
10.15x=4.5
x=9/203
5x-{1-2[x-3(x-2)]}
5x[1-(2x-6x-12)]
1-5x=2x-6x-12
1 12=2x-6x 5x
13=1x
x=13
2(x-1)/3-(3x-1)/2=1
2(2x-2)-3(3x-1)=1 (4x-4)-(9x-3)=1
4x-4-9x 3=1
-5x=1 1
x=2/-5
x=-(2/5)

Answer 4

追答

第8题是X＝30😳算错了