document.write( "Question 305137: please help me solve this equiation:
\n" ); document.write( "sume methods
\n" ); document.write( "5x+4y=6
\n" ); document.write( "2x=-5y-1
\n" ); document.write( "thanks \n" ); document.write( "
Algebra.Com's Answer #218497 by checkley77(12844)\"\" \"About 
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5x+4y=6
\n" ); document.write( "5x=-4y+6 multiply by 2
\n" ); document.write( "2x=-5y-1 multiply by -5 & add
\n" ); document.write( "10x=-8y+12
\n" ); document.write( "-10x=+25y+5
\n" ); document.write( "-----------------
\n" ); document.write( "0=17y+1717y=-17
\n" ); document.write( "y=-17/7
\n" ); document.write( "y=-1 ans.
\n" ); document.write( "5x+4*-1=6
\n" ); document.write( "5x-4=6
\n" ); document.write( "5x=6+4
\n" ); document.write( "5x=10
\n" ); document.write( "x=10/5
\n" ); document.write( "x=2 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "2*2=-5*-1-1
\n" ); document.write( "4=5-1
\n" ); document.write( "4=4\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
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