Question

(7a+4b_ 9c) + (2c_ 4a + 56)​

Answer 1

Step-by-step explanation:

4a+3b−7a+4b=7b−3a

It can written it as

4a+3b−7a+4b=(4−7)a+(3+4)b

=−3a+7b

Answer 2

Answer

(7a+4b-9c)+(2c-4a+56)

7a+4b-9c+2c-4a+56

3a+4b-7c+56