Respuesta :

Answer:

Equation: 2x+11=5

Solving the equation: x=22

Step-by-step explanation:

The sum of twice a number is 2x+

The sum of twice a number and 11 is 2x+11

The sum of twice a number and 11 is equal to 55 is 2x+11=55

Solving the equation: 2x+11-11=55-11

2x=44

2x/2=44/2

x=22