Respuesta :

harpazo
6 + x = 13

We want the value of x that makes this linear equation a true statement.

6 + x = 13

x = 13 - 6

x = 7

Prove:

Let x = 7

6 + x = 13

6 + 7 = 13

13 = 13

This is a true statement.

Answer: x = 7