Respuestas

  • Usuario de Brainly
2012-04-26T07:53:52+02:00

1. 5x = -5

X = -5 / 5

X = -1


2. -2x = -6

X = -6 / -2

X = 3


3. x + 8 = 3

X = -3 - 8

X = -11


4. -x 4 = 1

-4 - 1 = X

X = -5


5. x 2 = 1

X = -1 + 2

X = 1


6. 2x 3 = 3

2X = 3 + 3

X = 6/2

X = 3


7. 4x 5 = 2x

4X - 2X = 5

2X = 5

X = 5/2

 

8. 3x + 2 = 5

3X = 5-2

3X = 3

X = 3/3

X = 1


9. 4x + 6 = 2x

4X -2X = -6

2X = -6

X = -6/2

X = -3


10. 6x + 4 = 4x + 7

6X + 4X = 7 - 4

10X = 3

X = 3/10


11. 5x + 8 = 2x 3

5X - 2X = -3 -8

3X = -11

X = -11/3


12. 3x 4 = x + 1

3X + X = 1 + 4

4X = 5

X = 5/4