MclainF379989 MclainF379989

03-11-2022
Mathematics

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3|x + 1| - 9 = 0? Solution set?

Respuesta :

LoreleyP227595 LoreleyP227595

03-11-2022

Answer:

x = (2, -4)

Explanation:

Given:

[tex]\begin{gathered} 3|x+1|-9=0 \\ \\ 3|x+1|=9 \\ \\ |x+1|=3 \\ \\ x+1=3 \\ \Rightarrow x=2 \\ \\ OR \\ -(x+1)=3 \\ \\ -x-1=3 \\ \\ -x=3+1 \\ \\ -x=4 \\ \\ x=-4 \end{gathered}[/tex]

x = (2, -4)

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