Question

x + 7 = 12 ayudaaaa ​

Answer 1

Hola

x+7=12

x=12 -7

x=5

comprobamos:

5 +7=12

Answer 2

Respuesta:

$\large\textsf{x = 5}$

x + 7 = 12

x = 12 - 7

x = 5

Comprobamos:

x + 7 = 12

(5) + 7 = 12

      12 = 12