Respuesta :

Answer:

x = -7, -11

Step-by-step explanation:

2|x+9|+3 = 7

subtract 3 from both sides of equation

2|x+9| = 4

divide 2 from both sides of equation

|x+9| = 2

Absolute values:

x+9 = 2 and x+9 = -2

   x = -7 and     x = -11