document.write( "Question 144264This question is from textbook algebra 1
\n" ); document.write( ": -16x+2y=-2
\n" ); document.write( "y=8x-1
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Algebra.Com's Answer #105010 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "Start with the given system\r
\n" ); document.write( "\n" ); document.write( "\"-16x%2B2y=-2\"
\n" ); document.write( "\"y=8x-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"-16x%2B2%288x-1%29=-2\" Plug in \"y=8x-1\" into the first equation. In other words, replace each \"y\" with \"8x-1\". Notice we've eliminated the \"y\" variables. So we now have a simple equation with one unknown.\r
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\n" ); document.write( "\n" ); document.write( "\"-16x%2B16x-2=-2\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"-2=-2\" Combine like terms on the left side\r
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\n" ); document.write( "\n" ); document.write( "\"0=-2%2B2\"Add 2 to both sides\r
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\n" ); document.write( "\n" ); document.write( "\"0=0\" Combine like terms on the right side\r
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\n" ); document.write( "\n" ); document.write( "Since this equation is always true for any x value, this means x can equal any number. So there are an infinite number of solutions.
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