document.write( "Question 656331: A system of equations is shown below.3x + 2y = 19 2x - y = 1 What is the solution to the system of equations? \n" ); document.write( "
Algebra.Com's Answer #409481 by checkley79(3341)\"\" \"About 
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3x + 2y = 19
\n" ); document.write( "2x - y = 1 MULTIPLY BY 2 & ADD.\r
\n" ); document.write( "\n" ); document.write( "3X+2Y=19
\n" ); document.write( "4X-2Y=2
\n" ); document.write( "-----------------
\n" ); document.write( "7X=21
\n" ); document.write( "X=21/7
\n" ); document.write( "X=3 ANS.
\n" ); document.write( "3*3+2Y=19
\n" ); document.write( "9+2Y=19
\n" ); document.write( "2Y=19-9
\n" ); document.write( "2Y=10
\n" ); document.write( "Y=10/2
\n" ); document.write( "Y=5 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*3-5=1
\n" ); document.write( "6-5=1
\n" ); document.write( "1=1\r
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