You would need to go in the order of pemdas
3+2 x20
3+2=5
5x20=
100
Hope this helped.
<h2>
Explanation:</h2>
Use BODMAS and algebra to arrive at the values of P = 5/2, q = -25/4 and r = -9/2.
Then substitute the values of p and q into p+2q to get -10
(-9,0) is the answer of the new cordinates
