add:a-3b+3;2a+5-3c;6c-15+6b
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2
Answer:
(a-3b+3) +(2a+5-3c)+(6c-15+6b)
a+2a-3b+6b+3+5-15-3c+6c
3a+3b+8-15+3c
3a+3b-7+3c
Answer: 3a+3b-7+3c
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1
Answer:
hope you will like it and this will help you
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