Respuesta :

18=10+2x
2x=8
x=4

Therefore, the value of x is 4.
JustJordan00
The answer would be 4
As a rectangle we know both sides of 18 and 10+2x are the same so set up the following equation
18=10+2x
Take 10 from both sides to get
8=2x
Divide both sides by 2 to get the answer
X=4