document.write( "Question 203481: I actually attempted the examples in my book but still do not grasp the concept if I can actually get someone to get to break this down for me i might be able to do the rest on my own:\r
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document.write( "y= -3x+19
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document.write( "y= 2x-1\r
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document.write( "and \r
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document.write( "x+3y=2
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document.write( "-x+y=1 thank you \r
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Algebra.Com's Answer #153508 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! y= -3x+19 \n" ); document.write( "y= 2x-1 \r \n" ); document.write( "\n" ); document.write( "--- \n" ); document.write( "Substitute to get: \n" ); document.write( "2x-1 = -3x+19 \n" ); document.write( "5x = 20 \n" ); document.write( "x = 4 \n" ); document.write( "===================================\r \n" ); document.write( "\n" ); document.write( "and \n" ); document.write( "x+3y=2 \n" ); document.write( "-x+y=1 \n" ); document.write( "--- \n" ); document.write( "Add the two equations to get: \n" ); document.write( "4y = 3 \n" ); document.write( "y = 3/4 \n" ); document.write( "Substitute to solve for \"x\": \n" ); document.write( "-x + (3/4) = 1 \n" ); document.write( "-x = 1/4 \n" ); document.write( "x = -1/4 \n" ); document.write( "------------------------- \n" ); document.write( "Solution: (-1/4,3/4) \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |