Respuesta :

Answer:

x = 4

2x + 1 - 1 = 9 - 1

2x = 8

2x/2 = 8/2

x = 4

Step-by-step explanation:

Step 1: Subtract 1 from both sides.

2x+1−1=9−1

2x=8

Step 2: Divide both sides by 2.

2x/2=8/2

x=4
Answer: x=4