Question

subtract the sum of (4a+b-7c) and (9a-3b+10c) from the difference of (25a+8b-5c) and (12a-3b+8c)

Answer 1

Answer:

13b-16c

Step-by-step explanation:

First add (4a+b-7c) and (9a-3b+10c). We get 13a-2b+3c

Then subtract (25a+8b-5c) and (12a-3b+8c). We get 13a + 11b - 13c

Then subtract 13a + 11b - 13c from 13a-2b+3c.

    13a + 11b - 13c

_  13a -  2b  +  3c

   (-)   (+)       (-)

________________

13b - 16c