Respuesta :

eligaellara05

Answer:

the answer is 4

Step-by-step explanation:

because 4*4+2=18

and 10+2*4=18

Answer:

4x + 2 = 10+2x

-2x             - 2x

2x + 2 = 10

      -2  - 2

2x = 8

x = 4 is the answer.