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Adding and Subtracting Matrices

Question 1 • NC-Math 4 CR

What error did Trish make? | What is the correct value of x?

Answer
A
She multiplied by 2 instead of dividing.
B
She added 10 instead of subtracting 10.
C
She multiplied incorrectly.
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What error did Trish make? | What is the correct…