document.write( "Question 62710: Solve the system by addition.
\n" ); document.write( " 5x – 3y = 13
\n" ); document.write( " 4x – 3y = 11
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5x – 3y = 13
\n" ); document.write( "4x – 3y = 11\r
\n" ); document.write( "\n" ); document.write( "Subtract the second equation from the first to get 1x = 2. Substitute x=2 into the first equation to get
\n" ); document.write( "5 x 2 - 3y = 13
\n" ); document.write( "10 - 3y = 13 Subtract 10 from each side
\n" ); document.write( "10 - 3y - 10 = 13 - 10
\n" ); document.write( "-3y = 3
\n" ); document.write( "So y = -1\r
\n" ); document.write( "\n" ); document.write( "x = 2 and y = -1
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