document.write( "Question 239149: can you show me how to do this: dirct variation equations
\n" ); document.write( "X 1 2 3 4 6
\n" ); document.write( "Y 5 10 15 20 30\r
\n" ); document.write( "\n" ); document.write( "For the formula of y=ax
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Algebra.Com's Answer #175655 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
y=ax
\n" ); document.write( "1=a*5
\n" ); document.write( "a=1/5 answer.
\n" ); document.write( "Proof:
\n" ); document.write( "y=x/5
\n" ); document.write( "1=5/5
\n" ); document.write( "1=1
\n" ); document.write( "y=x/5
\n" ); document.write( "6=30/5
\n" ); document.write( "6=6
\n" ); document.write( "
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