document.write( "Question 391221: x+3y=1 -3x-3y=-15 \n" ); document.write( "

Algebra.Com's Answer #277607 by mananth(16946) $\"\"$ $\"About$

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x+3y=1..........................1
\n" ); document.write( "-3x-3y=-15
\n" ); document.write( "/3
\n" ); document.write( "-x-y=-5.........................2
\n" ); document.write( "add (1) & (2)
\n" ); document.write( "x-x+3y-y=+1-5
\n" ); document.write( "2y=-4
\n" ); document.write( "/2
\n" ); document.write( "y=-2
\n" ); document.write( "...
\n" ); document.write( "plug value of y in (1)
\n" ); document.write( "x+3*(-2)=1
\n" ); document.write( "x-6=1
\n" ); document.write( "add 6
\n" ); document.write( "x=7
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( "

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