12. (a) Add: 3a - 5b + 7, 7b + 5a - 5
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Answered by
1
=> 3a-5b+7+7b+5a-5
= 8a+2b+2 ....ans.
Answered by
0
Answer:
HOPE IT HELPS!!
Step-by-step explanation:
3a-5b+7+7b+5a-5
8a+2b+2
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