5a+7b-2c-(3a-7b+4c)
Answer
2a+14b-6c.
Steps
5a+7b-2c-(3a-7b+4c)
=5a+7b-2c-3a+7b-4c
= (5a-3a)+(7b+7b)+(-2c-4c)
= 2a+14b-6c.
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5a+7b-2c-(3a-7b+4c)
2a+14b-6c.
5a+7b-2c-(3a-7b+4c)
=5a+7b-2c-3a+7b-4c
= (5a-3a)+(7b+7b)+(-2c-4c)
= 2a+14b-6c.