document.write( "Question 80003: Find the values of x and y that solve the following system of equations:\r
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document.write( "3x+5y=10\r
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document.write( "-4x-9=-18 \n" );
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Algebra.Com's Answer #57358 by vertciel(183)![]() ![]() ![]() You can put this solution on YOUR website! Hello there,\r \n" ); document.write( "\n" ); document.write( "Simplify both equations:\r \n" ); document.write( "\n" ); document.write( "3x + 5y = 10 ---(1) \n" ); document.write( "-4x = -9 -------(2)\r \n" ); document.write( "\n" ); document.write( "From (2): we can find out that x = 2.25. \r \n" ); document.write( "\n" ); document.write( "Substitute this into (1) and you get: \r \n" ); document.write( "\n" ); document.write( "6.75 + 5y = 10 \n" ); document.write( "5y = 3.25 \n" ); document.write( "y = 3.25/5 or 0.65\r \n" ); document.write( "\n" ); document.write( "There we go.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |