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Tìm số nguyên x, biết:
1) -16 + 23 + x = - 16
7+x=-16
x=-16-7
x=-23
2) 2x – 35 = 15
2x=15+35
2x=50
x=50:2
x=25
3) 3x + 17 = 12
3x=12-17
3x=-5
x=-5/3
4) (2x – 5) + 17 = 6
2x-5=6-17
2x-5=-11
2x=-11+5
2x=-6
x=-6:2
x=-3
5) 10 – 2(4 – 3x) = -4
2(4-3x)=10-(-4)
2(4-3x)=14
4-3x=14:2
4-3x=7
3x=4-7
3x=-3
x=-3:3
x=-1
6) - 12 + 3(-x + 7) = -18
3(-x+7)=-18-(-12)
3(x+7)=-6
x+7=-6:3
x+7=-2
x=-2-7
x=-9
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 2x-35=15
2x=15+35
2x=50
x=50:2
x=25
b) 3x+17=2
3x=2-17
3x=-15
x=-15:3
x=-5
c) /x-1/=0
x-1=0
x=0+1
x=1
![](https://rs.olm.vn/images/avt/0.png?1311)
a)2x-35=15
2x=15+35
2x=50
x=50:2
x=25
b)3x+17=2
3x=2-17
3x=-15
x=-15:3
x=-5
c)|x-1|=0
=>x-1=0=>x=0-1
=>x=-1
a)2x-35=15
2x=15+35
2x=50
x=50:2
x=25
b)3x+17=2
3x=2-17
3x=-15
x=-15:3
x=-5
c)|x-1|=0
x-1=0
x=0+1
x=1
![](https://rs.olm.vn/images/avt/0.png?1311)
\(2x-35=15\)
\(\Rightarrow2x=15+35\)
\(\Rightarrow2x=50\)
\(\Rightarrow x=\frac{50}{2}=25\)
Vậy : \(x=25\)
\(3x+17=2\)
\(\Rightarrow3x=2-17\)
\(\Rightarrow3x=-15\)
\(\Rightarrow x=-\frac{15}{3}=-5\)
Vậy: \(x=-5\)
\(\left|x-1\right|=0\)
\(\Rightarrow x-1=0\)
\(\Rightarrow x=0+1=1\)
a)2x-35=15
2x =15+35
2x =50
x =50:2
x =25
b)3x +17=2
3x =17-2
3x =15
x =15:3
x =5
c)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 2x + 1 = 3
2x = 2
x = 1
b) ( 2x - 5 ) + 17 = 6
( 2x - 5 ) = 6 - 17
( 2x - 5 ) = -11
2x = -11 + 5
2x = -6
x = -3
c) 10 - 2 x ( 4 - 3x ) = -4
2 x ( 4 - 3x ) = 14
4 - 3x = 7
3x = -3
x = -1
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 2x-35=15
2x =15+35
2x =50
x=50:2
x= 25
b) 3x+17=2
3x = 2-17
3x=-15
x=-15:3
x=-5
c) |x-1|=0
x-1=0
x=0+1
x=1
tik nha
![](https://rs.olm.vn/images/avt/0.png?1311)
a. 2x-35=15
2x=15+35
2x=50
x=50:2
x=25
b.3x+17=2
3x=2-17
3x=-15
x=-15:3
x=-5
c.|x-1|=0
=> x-1=0
=> x=1
kmk nhé bn
a.2x=35+15
2x=40
x=40:2
x=20
b.3x+17=2
3x=2-17
3x=-15
x=-15:3
x=-5
c.giá trị tuyệt đối x-1=0
vậy x-1=0
vậy x=1
a, 2x -35=15
2x =15+35
2x =50
x =50:2
x =25 vậy x =25
b,3x +17=2
3x =2-17
3x =-15
x =-15:3
x =-5 vậy x=-5
A} 2x-35=15
2x=15+35
2x=50
x=50x1:2
x=25
B]-3x=2+17
-3x=19
x=19-1:3
x=6