document.write( "Question 585445: -9x+ y=20
\n" ); document.write( "9x+16y=14\r
\n" ); document.write( "\n" ); document.write( "y=20+-9
\n" ); document.write( "9x + 16 (20+-9x)=14
\n" ); document.write( "9x+320=144x=14
\n" ); document.write( "153x+320=14 I understand up to here
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\n" ); document.write( "x= -2 dont understand how they got these answers could you show me step by step please?
\n" ); document.write( "y= 2
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Algebra.Com's Answer #373347 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"153x%2B320=14\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"153x=14-320\" Subtract \"320\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"153x=-306\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-306%29%2F%28153%29\" Divide both sides by \"153\" to isolate \"x\".\r
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\n" ); document.write( "\n" ); document.write( "\"x=-2\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Now that you have x = -2, use it in \"y+=+20%2B9x\" to get \r
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\n" ); document.write( "\n" ); document.write( "\"y+=+20%2B9x\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+20%2B9%28-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+20-18\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+2\"\r
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\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r
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\n" ); document.write( "\n" ); document.write( "Jim
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