Question

realiza la igualdad en las siguientes ecuaciones

1- 12+ x = 18


2- 3 × -9 = 5x -23


3- 13x = x + 96


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Answer 1

12+ x = 18

x = 18 - 12

x = 6

3x - 9 = 5x -23

- 9 + 23 = 5x - 3x

14 = 2x

14/2 = x

7 = x

13x = x + 96

13x - x = 96

12x = 96

x = 96/12

x = 8

Eternamente axllxa