simplify: (15a+2b+c)+(a+b-c)-(3a-b-2c).
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Answer:
13a+4b+2c is the answer
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Answer:
(15a+2b+c)+(a+b-c)-(3a-b-2c)
15a+2b+c+a+b-c-3a+b+2c
15a+a-3a+2b+b+b+c-c+2c
16a-3a+3b+b+2c
13a+4b+2c
Step-by-step explanation:
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