Question

Solve for y. x y + p = 9

A) x(9-p)
B) (p-9)/x
C) (9-p)/x

Answer 1

x y + p = 9 
subtract p on both sides
xy + p - p = 9 - p
simplify
xy = 9 - p
divide both sides by x
xy/x = (9-p)/x
simplify
y = (9 - p)/x

Answer
C) (9 - p)/x