document.write( "Question 1181622: Elimination Method OR Substitution OR Substitution-Equal Values Method\r
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document.write( "1.y=3x-2
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document.write( " y=x+4\r
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document.write( "2.5x-4y=27
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document.write( " 3x+4y=29\r
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document.write( "3.2x+5y=25
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document.write( " y=x+4 \n" );
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Algebra.Com's Answer #811532 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "1. y=3x-2 \n" ); document.write( "y=x+4 \n" ); document.write( "The given is two different expressions both equal to y. \n" ); document.write( "Use what you are apparently calling Substitution-Equal Values Method: \n" ); document.write( "3x-2 = x+4 \n" ); document.write( "... \n" ); document.write( "2. 5x-4y=27 \n" ); document.write( "3x+4y=29 \n" ); document.write( "The given has one equation with \"-4y\" and the other with \"+4y\". \n" ); document.write( "Clearly, use Elimination Method: \n" ); document.write( "8x = 56 \n" ); document.write( "... \n" ); document.write( "3. 2x+5y=25 \n" ); document.write( "y=x+4 \n" ); document.write( "The given has one in standard form Ax+By=C; the other is in \"y=\" form. \n" ); document.write( "Clearly, use Substitution Method \n" ); document.write( "2x+5(x+4)=25 \n" ); document.write( "... \n" ); document.write( " \n" ); document.write( " |