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This student incorrectly simplified this expression. −12m+3+5m Step 1: −7m + 3 Step 2: −4m Identify the student's error. Explain what they did wrong.

This student incorrectly simplified this expression. −12m+3+5m Step 1: −7m + 3 Step 2: −4m Identify the student's error. Explain what they did wrong.
asked 91.0k views
16 votes
This student incorrectly simplified this expression.

−12m+3+5m
Step 1: −7m + 3
Step 2: −4m
Identify the student's error.
Explain what they did wrong.

asked
User MichaelLo
by
8.0k points

1 Answer

9 votes

Answer:

/

dont subtract 3 from -7m so it would be -7m + 3

7m

/

= m = 3

answered
User Chris Subagio
by
8.0k points
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