Respuesta :

I think this is right

5x-2+x=9+3x+10
6x-2=19+3x
+2 +2
6x=21+3x
-3x -3x
3x=21
3x/3=21/3
X=7

If you know how to do algebra this should make sense
269821

Answer: 7x

Step-by-step explanation: 5x-2+x=9+3x+10

6x-2=19+3x

+2 +2

6x=21+3x

-3x -3x

3x=21

3x/3=21/3

X=7

Have a great day! :D