document.write( "Question 148965: Solve the system of equations.
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document.write( "3x + 6y = 3.75
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document.write( "0.375x + 3y = 2.15625 \n" );
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Algebra.Com's Answer #109308 by mangopeeler07(462)![]() ![]() ![]() You can put this solution on YOUR website! Warning: This solution contains hideous decimals and vicious numbers. Viewer discretion advised.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 6y = 3.75 \n" ); document.write( "0.375x + 3y = 2.15625\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply the second equation by -2 \n" ); document.write( "-0.75-6y=-4.3125\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add .75 to both sides \n" ); document.write( "-6y=-3.5625\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide by -6 \n" ); document.write( "y=.59375\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 6y = 3.75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plug in y \n" ); document.write( "3x+6(.59375)=3.75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply \n" ); document.write( "3x+3.9625=3.75\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Subtract 3.9625 from both sides \n" ); document.write( "3x=-0.2125\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide by 3 \n" ); document.write( "x=-0.07083\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, \n" ); document.write( "y=.59375 \n" ); document.write( "x=-0.07083 \n" ); document.write( " |