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seraphim [82]
3 years ago
10

Help me please... ...

Mathematics
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

The mistake is in the 1st to 2nd step

They did not distribute 4(7-13).

If they distributed properly, it would be 28-52 instead of 28-13.

Step-by-step explanation:

Ber [7]3 years ago
4 0
It’s going to be A. She was supposed to use distributive property
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