SOLUTION: Build each rational expression into an equivalent rational expression with the indicated denominator. This is -7yt over 3x = ? over 18xyt. _-7yt_=_?__

SOLUTION: Build each rational expression into an equivalent rational expression with the indicated denominator. This is -7yt over 3x = ? over 18xyt. _-7yt_=_?___

Question 206951: Build each rational expression into an equivalent rational expression with the indicated denominator. This is -7yt over 3x = ? over 18xyt.
_-7yt_=_?___
3x 18xyt

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
_-7yt_=_?___
3x 18xyt
=======================
The denominator was multiplied by 6yt to get 18xyt.
So, multiply the numerator by 6yt to get:
? = (-7yt)(6yt) = -42y^2t^2
====================================
Cheers,
Stan H.
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