document.write( "Question 827671:
\n" ); document.write( "x + 3y = 13
\n" ); document.write( "2x – 3y = –19\r
\n" ); document.write( "\n" ); document.write( " (–2, 5)
\n" ); document.write( " (–2, 4)
\n" ); document.write( " (4, –2)
\n" ); document.write( " (5, –2)
\n" ); document.write( "

Algebra.Com's Answer #498801 by LinnW(1048)\"\" \"About 
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x + 3y = 13
\n" ); document.write( "2x – 3y = –19
\n" ); document.write( "add the two equations.
\n" ); document.write( "3x = -6
\n" ); document.write( "divide each side by 3
\n" ); document.write( " x = -2
\n" ); document.write( "substitute -2 for x in x + 3y = 13
\n" ); document.write( " -2 + 3y = 13
\n" ); document.write( "add 2 to each side
\n" ); document.write( " 3y = 15
\n" ); document.write( "divide by 3
\n" ); document.write( " y = 5
\n" ); document.write( "So x = -2 and y = 5 and the point is (-2,5)
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