document.write( "Question 489751: If someone could help with this problem I would appreciate\r
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\n" ); document.write( "\n" ); document.write( "3x-6y=18
\n" ); document.write( "6x-2y=-12 \n" ); document.write( "

Algebra.Com's Answer #333750 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
(1) $\"3x+-+6y+=+18\"$
\n" ); document.write( "(2) $\"6x+-+2y+=+-12\"$
\n" ); document.write( "Divide both side of (1) by $\"+-3+\"$
\n" ); document.write( "and add the equations
\n" ); document.write( "(1) $\"-x++%2B+2y+=+-6\"$
\n" ); document.write( "(2) $\"6x+-+2y+=+-12\"$
\n" ); document.write( " $\"+5x+=+-18+\"$
\n" ); document.write( " $\"+x+=+-18%2F5+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"-x++%2B+2y+=+-6\"$
\n" ); document.write( "(1) $\"+18%2F5+%2B+2y+=+-6+\"$
\n" ); document.write( "Multiply both sides by $\"5\"$
\n" ); document.write( "(1) $\"+18+%2B+10y+=+-30+\"$
\n" ); document.write( " $\"+10y+=+-48+\"$
\n" ); document.write( " $\"+y+=+-24%2F5+\"$
\n" ); document.write( "Here's a plot of the equations:
\n" ); document.write( "The intersection looks like (-18/5, -24/5)
\n" ); document.write( " $\"+graph%28+400%2C+400%2C+-10%2C+10%2C+-10%2C+10%2C+%281%2F2%29%2Ax+-+3%2C+3x+%2B+6+%29+\"$ \n" ); document.write( "

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