First you had to subtract by seventeen from both sides of equation form.
[tex]17+p-17=7p-13-17[/tex]
Then simplify.
[tex]p=7p-30[/tex]
Next, subtract by seven-p from both sides of equation form.
[tex]p-7p=7p-30-7p[/tex]
Simplify.
[tex]-6p=-30[/tex]
Then you divide by negative six from both sides of equation form.
[tex]\frac{-6p}{-6}= \frac{-30}{-6}[/tex]
And finally, simplify by equation.
[tex]-30/-6=5[/tex]
Final answer: [tex]\boxed{p=5}[/tex]
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie