I) Add 3a-4b+4c, 2a+3b-8c, a-6b+c.ii)Subtract 2a-5b+2c-9 from 3a-5b+3c – InterviewSolution

1.

I) Add 3a-4b+4c, 2a+3b-8c, a-6b+c.ii)Subtract 2a-5b+2c-9 from 3a-5b+3c-8

Answer»

I) 3a-4b+4c+2a+3b-8c+a-6b+c

collect LIKE terms,

3a+2a+a-4b+3b-6b+4c-8c+c

6a-7b-3c is the answer.

ii) 3a-5b+3c-8-2a-5b+2c-9

collect like terms

3a-2a-5b-5b+3c+2c-8-9

a-10b+5c-17 is the answer.

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