answer for this passage4 question
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1. A=2a-5b+4c
B= 5a-2b+2c
now A+B= 2a-5b+4c+5a-2b+2c.
7a-7b+6c.
7(a-b)+6c is answer (2) .
B= 5a-2b+2c
now A+B= 2a-5b+4c+5a-2b+2c.
7a-7b+6c.
7(a-b)+6c is answer (2) .
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