Which is not equivalent to
A
x
+
B
y
=
C
?


y
=
C
B

A
B
x

y = C B − A B x

y
=
C

A
x
B

y = C − A ⁢ x B

y
=
C
B

A
x
B

y = C B − A ⁢ x B

y
=
C

A
B
x