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