document.write( "Question 80731: 48: Solve this system:
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document.write( "y = 2x - 3
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document.write( "x + 2y = 14 \n" );
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Algebra.Com's Answer #57888 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Since we have an equation in y form, we can use substitution\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now plug in x=4 to find y\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So our solution is:\r \n" ); document.write( "\n" ); document.write( "(4,5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |