Where are the problems that need to be solved?
Answer:
1. 
2.
Step-by-step explanation:
All you are doing is bringing variables to the other side and making the action (multiplication, division, addition, subtraction) opposite.
Answer:
(p-q)(1+x)
Step-by-step explanation:
p-q-x(q-p)
p-q-xq+xp
p+xp-q-xq
p(1+x)-q(1+x)
(p-q)(1+x)
So what is your question cause there isn't one