Solve the question to get the points
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Answered by
1
Answer:
3a-b-3
Step-by-step explanation:
(a+b-3)-(b-a+3)+(a-b+3)
=》a+b-3-b+a-3+a-b+3
=》3a-b-3
Answered by
0
Step-by-step explanation:
(a+b-3)-b+a-3+a-b+3=a+b-3-b+a-3+a=3a-6=3(a-2)
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