Math, asked by singhsanya047, 7 months ago

subtract the sum of 3a-5b+5c and -6a+7b-9c from A-b-c

Answers

Answered by shahana26

4

Answer:

4a-3b+3c

Step-by-step explanation:

3a-5b+5c-6a+7b-9c = -3a+2b-4c

a-b-c - (-3a+2b-4c) = a-b-c+3a-2b+4c = 4a-3b+3c

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