Respuesta :

Answer:

4p+2q+2r

Step-by-step explanation:

7p+3q+2r-q-3p

Collect terms

= 7p-3p +3q-q+2r

Simplify

= 4p+2q+2r

Answer: 4p+2q+2r

Step-by-step explanation:7p+3q+2r-q-3p

                                        => 7p-3p+3q-q+2r

                                        => 4p+2q+2r

To simplify any kind of algebraic type of questions you must arrange the variables first to make the it more easier to find the answer.