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Algebra
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OpenStudy (anonymous):
Absolute value equations, need HELP. Solve for x: -3|2x + 6| = -12
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OpenStudy (anonymous):
options:
A. x=1 and x=5
B: X=-1 and x= -5
C: x=-9 and x =3
D: no solution
OpenStudy (anonymous):
Answer is A
OpenStudy (anonymous):
\[-3\left| 2x+6 \right|= -12\] \[2\left| x+3 \right|=\frac{ -12 }{ -3 } = 4\] \[\left| x+3 \right|=2\]\[\begin{matrix}x+3=2\rightarrow x=-1 \\ x+3=-2\rightarrow x=-5\end{matrix}\]
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