document.write( "Question 388211: The variables x and y vary directly. Use
\n" ); document.write( " the given values to write an equation that relates x and y.
\n" ); document.write( " x = 12, y = 4
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Algebra.Com's Answer #274485 by tara0066(31)\"\" \"About 
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Direct variation equation is y=kx\r
\n" ); document.write( "\n" ); document.write( "Your k is your variation or you could look at it as your slope. \r
\n" ); document.write( "\n" ); document.write( "y=kx Plug in what you know
\n" ); document.write( "4=k12 Divide both sides by 12 to cancel out your 12 that is being multiplied by k.
\n" ); document.write( "4(/12)=k12(/12) Simplify
\n" ); document.write( "1/3=k
\n" ); document.write( "y=1/3x This is your direct variation equation.
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