Respuesta :

largar23

Answer:

x=3

Step-by-step explanation:

7+x+2=9+3

Step 1: Simplify both sides of the equation.

7+x+2=9+3

(x)+(7+2)=(9+3)(Combine Like Terms)

x+9=12

x+9=12

Step 2: Subtract 9 from both sides.

x+9−9=12−9

x=3

Answer:

x=3