AnswersLA-Algebra II AEquations in One VariableQuestion 6
6
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Equations in One Variable

Question 6 • LA-Algebra II A

Determine the flaws in the solution.

Answer
A
The multiplication property of equality in Step 2 should result in |x| = 7.
B
The definition of absolute value is applied incorrectly. There is no solution.
C
The reason in Step 4 should be the addition property of equality.
D
The multiplication property of equality in Step 4 should result in only x = 7.
E
In evaluating the solutions, the absolute value should be simplified first to get a positive value.
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