Respuesta :

Hi there! :)

Answer:

x=23

*The answer must have a positive sign.*

Step-by-step explanation:

This lesson it's about addition property of equality.

First, you add by 8 from both sides of an equation.

[tex]x-8+8=15+8[/tex]

And then, you add by the numbers. Simplify and solve.

[tex]15+8=23[/tex]

Final answer: → [tex]x=23[/tex]

Hope this helps!

Thanks!

-Charlie

Have a great day!

:)

:D

Q&A Education