Question

RESPUESTAS CON PROCEDIMIENTO

A)4X-2=-10
B)7X+8=3X-4
C)X+3.(X-1)-7=6
D)(8X-6):2=3X-(6-2X)+7

Answer 1

Resolver.

a)

4x - 2 = - 10

4x = - 10 + 2

4x = - 8
 
  x = - 8/4
 
  x = - 2

....................................................

b) 

7x + 8 = 3x - 4

7x - 3x = - 4 - 8
 
    4x = - 12 
  
      x = - 12/4
 
      x = - 3

..........................................................

c)

x + 3(x - 1) - 7 = 6

x + 3x - 3 - 7 = 6

4x - 10 = 6

4x = 6 + 10

4x = 16
 
  x = 16/4
 
  x = 4

....................................................................

d)

(8x - 6)/2 = 3x - (6 - 2x) + 7

(8x - 6)/2 = 3x - 6 + 2x + 7

(8x - 6)/2 = 3x + 2x - 6 + 7

(8x - 6)/2 = 5x + 1

8x - 6 = 2(5x + 1)

8x - 6 = 10x + 2

- 6 - 2 = 10x - 8x
 
  - 8 = 2x
 
  - 8/2 = x
 
    - 4 = x

Answer 2

a)4x-2=10
       4x=12
        x=3
b)7x+8=3x-4
       4x=-12
         x=-3
c)no me sale
d)(8x-6)/2=3x-(6-2x)+7
        4x-3=3x-6+2x+7
            -4=x