document.write( "Question 238580: -2x-10y=-12
\n" ); document.write( "3x+y=4
\n" ); document.write( "find value of (x,y)
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Algebra.Com's Answer #175399 by unlockmath(1688)\"\" \"About 
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Hello,
\n" ); document.write( "Let's multiply the second equation by 10 so it will look like this:
\n" ); document.write( " -2x -10y= -12
\n" ); document.write( "(10)3x+(10)y=(10)4 Now we can add both equation (note: the y cancels out)
\n" ); document.write( "which leaves us with:
\n" ); document.write( "28x = 28
\n" ); document.write( "x = 1 Now plug 1 into either equation and you get
\n" ); document.write( "y = 1
\n" ); document.write( "Plug these into the equations and it works out.
\n" ); document.write( "RJ Toftness
\n" ); document.write( "www.math-unlock.com
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