Respuesta :

Answer:

21+4x=2x+5

4x-2x=5-21

2x=-26

x=-13

Step-by-step explanation:

Hope this helps!

If not I'm sorry.

cb0009

Answer:

x = -8

Step-by-step explanation:

31 + 4x-10 = 2x + 5

21 + 4x = 2x + 5