9c + 5a + 5a + b
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2 answers:
Answer:
10a+b+9c
Step-by-step explanation:
first you have to join the like terms then you add them then you write the answer, I hope you understood
9c+5a+5a+b
9c+10a+b
10a+b+9c
10a+b+9c is the right answer
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