September 2018 1 51 Report
Me pueden ayudar con preguntas para los ejercicios :
14 = x + 2

- x = 2 - 14

- x = - 12

x = 12
-------------------------------

17 - x = 14

- x = 14 - 17

- x = - 3

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

x - 8 = - 2

x = - 2 + 8

x = 6
----------------------------

35 = 5x

35/5 = x

7 = x
----------------------------------

x/2 + 1 = 6

x/2 = 6 - 1

x/2 = 5

x = 5 * 2

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

2x + 5x = 21

7x = 21

x = 21/7

x = 3

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