Tìm x
----- Nội dung dịch tự động từ ảnh -----
Bài 8: Tìm x biết
1)3x-16=29
2)x 72:36 18
3)2x+27=-11
-3 -10
5 21
4)x:
5) -
34
6)+x
6
²³/1-x=²134
9)x
-
||
|24/0N/M
5
||
II
3
-2
نرانی
9 3
31
40
10)45%.x-2-1.
8
11)0,25x-
-
12)2||1|x-1|-
27 3
8
-
11
18)
4
3 1
3 24
13) ²4-2|2x - 3|=2
5
11
9
14) (2x + 3) - 2 15-0
=0
5
25
2 1.1
15)60%.x+x== .6.
16)3(3x-2) + 1 = 0
17(²-x) -
=
19)(3x - 1)
1
3 25
|=0
20)(x-1)
D ( = ²X-5) =
=0
3
4
+ x = = - = -
22)(x - 1) (²³ x − 3 ) = 0
3 3 3
2 4 5
23)2*+2 - 2*+¹ = 32
24)3*+5+3x+2=756
21(3²-x)(x-2)-0
X
25) () --
=0
-4
5 625
x+1
20
26 (3) + (-29
=
3
27
Bài 8: Tìm x biết
1)3x-16=29
2)x 72:36 18
3)2x+27=-11
-3 -10
5 21
4)x:
5) -
34
6)+x
6
²³/1-x=²134
9)x
-
||
|24/0N/M
5
||
II
3
-2
نرانی
9 3
31
40
10)45%.x-2-1.
8
11)0,25x-
-
12)2||1|x-1|-
27 3
8
-
11
18)
4
3 1
3 24
13) ²4-2|2x - 3|=2
5
11
9
14) (2x + 3) - 2 15-0
=0
5
25
2 1.1
15)60%.x+x== .6.
16)3(3x-2) + 1 = 0
17(²-x) -
=
19)(3x - 1)
1
3 25
|=0
20)(x-1)
D ( = ²X-5) =
=0
3
4
+ x = = - = -
22)(x - 1) (²³ x − 3 ) = 0
3 3 3
2 4 5
23)2*+2 - 2*+¹ = 32
24)3*+5+3x+2=756
21(3²-x)(x-2)-0
X
25) () --
=0
-4
5 625
x+1
20
26 (3) + (-29
=
3
27