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Sagot :
Answer:
7d-1 is the correct answer
Step-by-step explanation:
5d+2d=7d
7-8= (- 1)
Answer:
7d - 1
Step-by-Step Explanation:
to simplify first you need to identify the like terms
5d - 8 + 2d + 7
combine like terms
5d + 2d = 7d
- 8 + 7 = -1
7d - 1
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