What is the sum of 1a+4b-7c and 9a-7c-2b

Answers (1)
S safeer

The given two expressions are (1a+4b-7c) and (9a-7c-2b)

Their sum is (1a+4b-7c)+(9a-7c-2b)

=(1a+9a) +(4b-2b)+(-7c-7c)=10a+2b-14c

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