Question

Which is equivalent to (3a+2b-2c)+(2a-4b-c)+(a-4b+3c)?

Answer 1

Answer:

add 3a+4b−2c and −6a−2b+3c

(3a+4b−2c)+(−ba−2b+3c)

⇒(3a−6a)+(4b−2b)+(3c−2c)

⇒

−3a+2b+c

Answer 2

Answer:

ex C underline the determiners and point out whether they are specific or General determiners:

1) Some girls were sent to buy presents for the teachers.

2) That man sitting in the front row is our principal.

3) My tutor is a knowledge man.