document.write( "Question 1028918: X+y=16
\n" ); document.write( "Y=-5x \r
\n" ); document.write( "\n" ); document.write( "How do I get the answer \n" ); document.write( "
Algebra.Com's Answer #643986 by rothauserc(4718)\"\" \"About 
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x+y = 16
\n" ); document.write( "y = -5x
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\n" ); document.write( "substitute -5x for y in the first equation
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\n" ); document.write( "x-5x = 16
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\n" ); document.write( "-4x = 16
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\n" ); document.write( "x = -4
\n" ); document.write( "y = -5(-4) = 20
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\n" ); document.write( ":
\n" ); document.write( "check the answer by substituting for x and y in the first equation
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\n" ); document.write( "-4 +20 = 16
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\n" ); document.write( "16 = 16
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\n" ); document.write( "our answer checks
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