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Solve for x: −3|x + 7| = −12 (2 points)


x = 5 over 3 , x = − 19 over 3

x = −3, x = −11

x = −3, x = 11

No solution

Respuesta :

Adinex

Answer:

[tex]x = - 3 \: \: and \: \: x = - 11[/tex]

Step-by-step explanation:

[tex] - 3 |x + 7| = - 12 \\ |x + 7| = ( - 12) \div ( - 3) \\ |x + 7| = 4 \\ 1. \: x + 7 = 4 \: \: \: 2. \: x + 7 = - 4 \\ \: \: \: \: x = 4 - 7 \: \: \: \: \: \: \: \: x = - 4 - 7 \\ \: \: \: \: x = - 3 \: \: \: \: \: \: \: \: \: \: \: \: x = - 11[/tex]

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