document.write( "Question 241348: Find the soultion to the system of equations. \r
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document.write( "8x - 5y = 31
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document.write( "x - 4y = 14 \n" );
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Algebra.Com's Answer #176754 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "There's two to solve this. Let's do substitution method. We can get x alone in the second equation so it looks like: \n" ); document.write( "x = 14+4y Now use this in the first equation to look like: \n" ); document.write( "8(14+4y)-5y = 31 Combine like terms gives us: \n" ); document.write( "112 + 27y=31 Subtract 112 from both sides gives us: \n" ); document.write( "27y=-81 Divide both sides by 27 gives us: \n" ); document.write( "y=-3 Now we can find x using either original equation. \n" ); document.write( "8x - 5(-3) = 31 \n" ); document.write( "8x-15=31 \n" ); document.write( "x=2 Plug these into the original equation and it should come out good. \n" ); document.write( "RJ Toftness \n" ); document.write( "www.math-unlock.com \n" ); document.write( " \n" ); document.write( " |