Question

arrange and add the following expressions : 3p + 4q + 7r , - 5q + 3q - 6r and 4p - 2q - 4r​

Answer 1

7p+3r is the answer

(3p+4q+7r) + (-5q+3q-6r) + (4p-2q-4r)

= (3p+4q+7r) + (-2q-6r) + (4p-2q-4r)

3p+4q+7r

-2q-6r

4p-2q-4r

+7p+0+3r

So ,7p+3r (answer )