document.write( "Question 184548: It says solve the system of equations by the addition method.\r
\n" ); document.write( "\n" ); document.write( "-6x+y=5
\n" ); document.write( "5x-4y=-20\r
\n" ); document.write( "\n" ); document.write( "Type the answer as an ordered pair. N for no solution or I for infinitely many solutions.
\n" ); document.write( "

Algebra.Com's Answer #138521 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
-6x+y=5 multiply this equation by 4 & ad.
\n" ); document.write( "5x-4y=-20
\n" ); document.write( "-24x+4y=20
\n" ); document.write( "-----------------
\n" ); document.write( "-19x=o
\n" ); document.write( "x=0 ans.
\n" ); document.write( "5*0-4y=-20
\n" ); document.write( "0-4y=-20
\n" ); document.write( "y=-20/-4
\n" ); document.write( "y=5 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "-6*0+5=5
\n" ); document.write( "5=5
\n" ); document.write( "
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