terrin76 terrin76

03-10-2020
Mathematics

contestada

How to solve absolute value
2|x+9|+3=7

Respuesta :

netizenwebb netizenwebb

03-10-2020

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

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