document.write( "Question 1017602: Solve the following linear system.\r
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document.write( "13y = 20x + 3y\r
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document.write( "13y + ( 8x + y ) = 180 \n" );
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Algebra.Com's Answer #633869 by FrankM(1040)![]() ![]() You can put this solution on YOUR website! 13y = 20x + 3y simplifies to \r \n" ); document.write( "\n" ); document.write( "13y-3y=20x\r \n" ); document.write( "\n" ); document.write( "10y=20x\r \n" ); document.write( "\n" ); document.write( "y=2x\r \n" ); document.write( "\n" ); document.write( "second eq \r \n" ); document.write( "\n" ); document.write( "13y + ( 8x + y ) = 180\r \n" ); document.write( "\n" ); document.write( "14y+8x=180\r \n" ); document.write( "\n" ); document.write( "substitute \r \n" ); document.write( "\n" ); document.write( "14(2x)+8x=180\r \n" ); document.write( "\n" ); document.write( "28x+8x=180\r \n" ); document.write( "\n" ); document.write( "36x=180\r \n" ); document.write( "\n" ); document.write( "x=5\r \n" ); document.write( "\n" ); document.write( "y=10 \n" ); document.write( " |