Question

8. Subtract (2a - 3b + 4c) from the sum of (a + 3b - 4c),(4a - b +9c) and (-2b + 3c -a)​

Answer 1

Answer:

2a+4c+3b

I hope it will help you

Answer 2

(a + 3b - 4c) + (4a - b +9c) + (-2b + 3c -a)

a + 3b - 4c + 4a - b +9c -2b + 3c -a

(a + 4a -a) + (3b -b - 2b) + (9c + 3c - 4c)

4a + 0 + 8c

4a + 8c - ( 2a -3b +4c)

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

2a + 3b +4c (ans)

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