The work of a student to solve a set of equations is shown below:
2 answers:
He made erron in step 3. He forgot add 4. it should be
-4m + 4m = -32 - 8n + 4n +4
Greeting
The error is found in step 3.
Here is what he did:
-4m + 4m = -32 - 8n + 4n <<<<<<<<<<<< What happened to +4???
0 = -32 - 4n
n = -8.
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