Question

at should be added to a+
3b+c to get 3a+5b+7c?​

Answer 1

Answer:

2a + 2b + 6c.

Step-by-step explanation:

To find this we subtract :-

3a + 5b + 7c - (a + 3b + c)

= 3a + 5b + 7c - a - 3b - c  Now combine like terms:

2a + 2b + 6c  (answer).