Question 161432
-7yt/3x=?/18xyt	 
3x?=-7yt*18xyt
3x?=-126xy^2t^2
?=-126xy^2t^2/3x
?=-42y^2t^2 answer.
Proof:
-7yt/3x=-42y^2t^2/18xyt
3x(-42y^2t^2=-7yt(18xyt)
-126xy^2t^2=-126xy^2t^2