Simplifying
7z + 5p = 9
Reorder the terms:
5p + 7z = 9
Solving
5p + 7z = 9
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Add '-7z' to each side of the equation.
5p + 7z + -7z = 9 + -7z
Combine like terms: 7z + -7z = 0
5p + 0 = 9 + -7z
5p = 9 + -7z
Divide each side by '5'.
p = 1.8 + -1.4z
Simplifying
p = 1.8 + -1.4z