Respuesta :

Answer:

x=4

Step-by-step explanation:

1. Divide both sides of the equation by 2

x+5=9

2. Move the constant to the right -hand side and change its sign

x=9-5

3. Subtract the numbers

x=4

2(x+5)=18
Foil method
2x + 10 =18
2x=18-10
2x=8
2x/2x = 8/2x
X=4