Respuesta :

ethanbaronkim

Answer:

x=3

Step-by-step explanation:

First distribute the 3!

3x+6+2x=21

Then, combine like terms.

5x+6=21

Move the 6 to the other side

5x=15

Divide each side by 5

x=3

00001050
The answer is 3.
Check the steps
⬇️
Ver imagen 00001050

Otras preguntas