Question

5a + 7 = - 13 cual seria el valor de a

Answer 1

Resolver.

5a + 7 = - 13
5a = - 13 - 7
5a  = - 20
a = - 20/5
a = - 4

Respuesta.
a = - 4

Answer 2

Para saber cual es el valor de "a" , desarrollamos:

                       5a + 7 = -13

                             5a = -13 - 7

                             5a = - 20

                               a = -20/5

                               a = - 4