document.write( "Question 145377: can you tell me the steps for solving 30/x=8/15 ?\r
\n" ); document.write( "\n" ); document.write( "many thanks \n" ); document.write( "

Algebra.Com's Answer #106054 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"30%2Fx+=+8%2F15\"$
\n" ); document.write( "First multiply both sides by $\"x\"$
\n" ); document.write( " $\"x%2A%2830%2Fx%29+=+x%2A%288%2F15%29\"$
\n" ); document.write( "On the left side, the $\"x\"$ s cancel
\n" ); document.write( " $\"30+=+x%2A%288%2F15%29\"$
\n" ); document.write( "Now multiply both sides by $\"15\"$
\n" ); document.write( " $\"15%2A30+=+15x%2A%288%2F15%29\"$
\n" ); document.write( "The $\"15\"$ s on the right side cancel
\n" ); document.write( " $\"450+=+8x\"$
\n" ); document.write( "Divide both sides by $\"8\"$
\n" ); document.write( " $\"x+=+225%2F4\"$
\n" ); document.write( "-----------------
\n" ); document.write( "Now to check
\n" ); document.write( " $\"30%2Fx+=+8%2F15\"$
\n" ); document.write( " $\"30%2F%28225%2F4%29+=+8%2F15\"$
\n" ); document.write( "Multiply both sides by $\"225%2F4\"$
\n" ); document.write( " $\"30+=+%28225%2F4%29%2A%288%2F15%29\"$
\n" ); document.write( "Now divide $\"225\"$ by $\"15\"$
\n" ); document.write( " $\"30+=+%2815%2F4%29%2A8\"$
\n" ); document.write( "Divide $\"8\"$ by $\"4\"$
\n" ); document.write( " $\"30+=+15%2A2\"$
\n" ); document.write( " $\"30+=+30\"$
\n" ); document.write( "OK \n" ); document.write( "

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