-16 + 23 + x = -16

          7 + x = -16 

               x = -16 - 7

               x = -23

2x + 35 = -15

        2x = -15 - 35

         2x = -50

           x = -25

-13 x |x | = -26

         x = -26 : (-13)

          x = 2

Vậy x = 2 hoặc -2

|2x - 5| = 13

      2x = 13 + 5

       2x = 18

         x = 9

(x - 3) x (x + 2) = 0

\(\Leftrightarrow\orbr{\begin{cases}x-3=0\\x+2=0\end{cases}}\Leftrightarrow\orbr{\begin{cases}x=3\\x=-2\end{cases}}\)

2)2x+35=-15

2x      =-15-35

2x      = -50

x        =-25

1)-16+23+x=-16

7+x          =-16

x             =-16-7

x             =-23

3)-13 * lxl =-26

lxl         =  -26:-13

lxl           =2

<=>x=-2 hoac x=2

5) (x-3).(x+2) =0

<=>\(\orbr{\begin{cases}x-3=0\\x+2=0\end{cases}}\) <=>\(\orbr{\begin{cases}x=3\\x=-2\end{cases}}\)

a)  \(\left|x-1\right|=0\) 

<=>\(x-1=0\)<=> \(x=1\)

vậy \(x=1\)

b) \(-13.\left|x\right|=-26\)

<=> \(\left|x\right|=2\)=> \(x=\pm2\)

vậy \(x=\pm2\)

c)  \(-16+23+x=-16\)

<=> \(7+x=-16\)

<=>\(x=-23\)

vậy \(x=-23\)

1,-16+23+x=-16

=>23+x=-16-16

=>23+x=-32

=>x=-32-23

=>x=-55

2,2x-35=15

=>2x=15+35

=>2x=50

=>x=25

3,3x+17=12

=>3x=12-17

=>3x=-5

=>ko có x thỏa mãn

4,|x-1|=0

=>x-1=0

=>x=1

5,-13.|x|=-26

=>|x|=-26:-13

=>|x|=2

=>x=2 hoặc -2

1. -16+23+x=-16

23+x=(-16)-(-16)

23+x=(-16)+16

23+x=0

x=0-23

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

x=-5/3

4. /x-1/=0

/x/=0+1

/x/=1

=>x=1 hoặc x=-1

5. -13./x/=-26

/x/=(-26):(-13)

/x/=2

=>x=2 hoặc x=-2

a)-16+23+x=-16

7+x=-16

x=-16-7

x=-23

b)2.x-35=15

2.x=15+35

2.x=50

x=50:2

x=25

c)3.x+17=12

3.x=12-17

3.x=-5

x=-5:3

x=-1,(6)

d)Ix-1I=0

IxI=0+1

IxI=1

=>x=1 hoặc x=-1

e)-13.IxI=-26

IxI=-26:(-13)

IxI=2

=>x=2 hoặc x=-2

!!!!!!!!!

chọn đúng ik

a)x=-23

b)x=25

c)x=-5/3

d)x=1 

e)x=2 hoac x=-2

tk minh nha

1) -16 + 23 + x = - 16

ó x = -23
2) 2x – 35 = 15

ó 2x = 50

ó x = 25
3) 3x + 17 = 12

ó 3x = -5

ó x = -5/3
4) │x - 1│= 0

=> x – 1 = 0 ó x = 1
5) -13 .│x│ = -26

ó |x| = 2

ó x = 2 hoặc x = -2

1     -16 + 23 + x = -16

       7 + x = -16     

               x = -16 - 7

                  x = -23

a, -16 + 23 + x = -16

=> -7 + x = -16

=> x = -16 - (-7)

=> x = -9

b, 2x - 35 = 15

=> 2x = 15 + 35

=> 2x = 50

=> x = 50 : 2

=> x = 25

c, 3x + 17 =11

=> 3x = 11 - 17

=> 3x = -6

=> x = -6 : 3

=> x = -2

d, | x - 1 | = 0

=> x - 1 = 0

             x = 0 + 1

             x = 1

e, -13 . | x | = -26

=> | x | = -26 : (-13)

=> | x | = 2

=> x = 2

a, 23+x=-16+16

<=>x=0-23

<=>x=-23

1, -16 + 23 + x = -16

=> x = -16 + 16 - 23

=> x = -23

2.  2x - 35 = 15

=> 2x = 15 + 35

=>2x = 50

=>x = 25

3. 3x + 17 = 12

=> 3x = 12 - 17

=> 3x = -5

=> x = -5/3

4.   /x - 1 / = 0

=> x - 1 = 0

=> x = 1

5... - 13 /x/ = -26

=>/x/ = -26 : -13

=> /x/ = 2

=> x = -2 hoặc 2

1,-16+23+x=-16

23+x=-16-16

23+x=-32

x=-32-23

x=-55

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

x=\(-\frac{5}{3}\)

4,|x-1|=0

x-1=0

x=0+1

x=1

5,-13.|x|=-26

|x|=-26:(-13)

|x|=2

xE{-2;2}

vậy.......

cho mk hỏi P/S là gì vậy