Respuesta :

jhanarson

Answer:

x = 1 or x = -7

Step-by-step explanation:

Divide both sides by the factor, then simplify. Make sure to cancel any terms that are in both the numerator and denominator. Then, split the problem in two issues—positive and negative.

199932

[tex]3 |x + 3| = 12 \\ |x + 3| = 4 \\ x + 3 = 4 \: \: \: or \: \: \: x + 3 = - 4 \\ x = 4 - 3 \: \: \: or \: \: \: x = - 4 - 3 \\ x = 1 \: \: \: or \: \: \: x = - 7[/tex]

Solution : {1 , -7}

it's choice C

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