Question

QUIEN ME AYUDA CON ESTAS ECUACIONES,CON PROCEDIMIENTO.

A. 8X-12=20

B. X
-------- +2=-3
9
X
C. 3- ------ =4
5

D. -5X-4=-19

E.-2X-2=8

F. 6X-10= -70
X
G. - ----- +5=-1
7

H. 3X
--------- +1=-20
4

I. 5X
------- -2 =10
7

Answer 1

A) 8x-12= 20
    8x= 20 + 12 
    8x= 32
     x= 32/8
     x= 4

b) x+2= -3
    x= -2-3
    x= -5

c) 3-x = 4
     3-4= x 
      -1= x

d)-5x-4=-19
   -5x = -19+4
   -5x = -15
   x= -15/-5 
    x=3

Answer 2

8x - 12 = 20

8x = 20 + 12

8x = 32

x = 32/8

x = 4

Solución : 

x = 4
---------------------------------------

x/9 + 2 = - 3

x/9 = - 3 - 2

x/9 = - 5

x = - 5 (9)

x = - 45

Solución : 

x = - 45
----------------------------------

3 - x/5 = 4

(- x + 5 * 3)/5 = 4

- x + 15 = 4 (5)

- x + 15 = 20

- x = 20 - 15

- x = 5

x = - 5

Solución : 

x = - 5
--------------------------------------------

5x - 4 = - 19

5x = - 19 + 4

5x = - 15

x = - 15/5

x = - 3

Solución : 

x = - 3
-------------------------------------------

2x - 2 = 8

2x = 8 + 2

2x = 10

x = 10/2

x = 5

Solución : 

x = 5
----------------------------------------

6x - 10 = - 70

6x = - 70 + 10

6x = - 60

x = -60/6

x = - 10

Solución : 

x = - 10
------------------------------------------------------

x/7 + 5 = - 1

x/7 = - 1 - 5

x/7 = - 6

x = - 6 (7)

x = - 42

Solución : 

x = - 42
--------------------------------------------

3x/4 + 1 = - 20

3x/4 = - 20 - 1

3x/4 = - 21

3x = - 21 (4)

3x = - 84

x = -84/3

x = - 28

Solución : 

x = - 28
----------------------------------------------

5x/7 - 2 = 10

5x/7 = 10 + 2

5x/7 = 12

5x = 12 (7)

5x = 84

x = 84/5

Solución : 

x = 84/5

Listo!!!