Answer:
[tex]x = (m - n)p[/tex]
Step-by-step explanation:
Step 1 subtract n from both sides.
[tex]m - n = \frac{x}{p} [/tex]
Step 2 multiply both sides by p.
[tex](m - n)p = x[/tex]
Step 3 switch sides (optional you don't have to).
[tex]x = (m - n)p[/tex]
hope this helps....