zacharyabramson040 zacharyabramson040
  • 13-10-2022
  • Mathematics
contestada

Margie's work for adding linear expressions is shown below. After checking her answer with the answer key, she solved it incorrectly.


Given (−3.78b + 12) − (4.82b − 16)
Step 1 −3.78b + 12 + −4.82b − 16
Step 2 −3.78b + −4.82b + 12 − 16
Step 3 (−3.78b + −4.82b) + (12 − 16)
Step 4 −8.6b + (−4)

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