(2a+3b-9)+(4a-6b)+(3a+2b)
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Answered by
3
Step-by-step explanation:
answer is equal to 9a-b-9
Answered by
2
Answer:
2a+3b-9+4a-6b+3a+2b
=9a-b-9
9a-b=9
a-b/9=1
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