Question

(i) a - 2c + b, - a+b, 6a – 4c + b​

Answer 1

Step-by-step explanation:

Correct option is

A

6a−7b−3c

After adding we get:

(3a−4b+4c)+(2a+3b−8c)+(a−6b+c)

=3a+2a+a−4b+3b−6b+4c−8c+c

=6a−7b−3c

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