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Mathematics
Equations
Error identification
Malloy solved the equation - 5x - 16 = 8; his work is shown below. Identify the error and where it
made.
1 answer
The error is in Malloy's work when he added 16 to both sides instead of subtracting 16 from both sides. The correct step should be -5x = 8 + 16, which simplifies to -5x = 24.
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−5x − 16 = 8
