Question

Solve this -

if x + 3 = z, Then x/y-5 = 3-z

Answer 1

Given

x+3 = z

x = z - 3

so x =z-3 , z=x+3

x/y-5 = 3-z

z-3/y-5 = 3-z

z-3 = (y-5)(3-z)

z - 3 = 3y -zy -15 +5z

15-3 = 5z -z -zy

12 = 4z-zy

12 = z(4-y)

12 = (x+3)(4-y)

12 =4x -xy + 12 -12y

12-12 = 4x - xy -12y

4x -xy - 12y = 0