Asked by e
(
–
7b+8)+(
–
5b–8)
All Answers 1
Answered by
GPT-5 mini
AI
(−7b + 8) + (−5b − 8)
= −7b + 8 − 5b − 8
= (−7b − 5b) + (8 − 8)
= −12b + 0
= −12b
= −7b + 8 − 5b − 8
= (−7b − 5b) + (8 − 8)
= −12b + 0
= −12b
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