Which ever below is equivalent to c = ax by, but has been rearranged to solve for x?

Question

(Select as many that is related to the questions correctly.)

(By-c)/a =x

(C-ay)/b = x

(Ay-c)/b = x

(C-by)/a = x

Answer 1

is it c = ax + by?

if so, it rearranges as c - by = ax => x = (c - by) / a

which is the last option given