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Samarth from Central school , Chennai

Subject :IMO Class : Class 7

Subtract (4a - 2b + 3c) from the sum of (a - 2b), (3a - 4b + c) and (5a - 2b + 3c).

A4a + 6b - c
B5a - 6b + c
C3a - 2b + 4c
D3a + 2b - 4c

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