SOLUTION: How do I isolate "X" in the following equation? 105*(x/(x+70))+45*(x/(x+70))=100

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Question 804278: How do I isolate "X" in the following equation? 105*(x/(x+70))+45*(x/(x+70))=100

Found 2 solutions by josmiceli, solver91311:
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

You can multiply both sides by
with the provision that cannot =
------------


Divide both sides by

Multiply both sides by



check answer:






OK

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


You can't. X is not in the given equation. x is, but X and x are two different things.

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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