SOLUTION: collect like terms. 12a+7b-5a-9b 12a+7b-5a-9b= _________

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Question 452477: collect like terms.
12a+7b-5a-9b
12a+7b-5a-9b= _________
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
answer: 7a-2b
Oscar