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