document.write( "Question 28815: Use substitution to solve:\r
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document.write( "x=3y-2
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document.write( "2x+4y=16\r
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document.write( "this is what I got:\r
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document.write( "2(3y-2)+4y=16
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document.write( "6y+4y-4=16
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document.write( "10y-4=16
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document.write( "10y-4+4=16+4\r
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document.write( "10y/10 = 20/10\r
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document.write( "y=2 \n" );
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Algebra.Com's Answer #15735 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Looks right \n" ); document.write( "x=3y-2 \n" ); document.write( "2x+4y=16\r \n" ); document.write( "\n" ); document.write( "this is what I got: \n" ); document.write( "2(3y-2)+4y=16 \n" ); document.write( "6y+4y-4=16 \n" ); document.write( "10y-4=16 \n" ); document.write( "10y-4+4=16+4 \n" ); document.write( "10y/10 = 20/10 \n" ); document.write( "y=2 \n" ); document.write( "then \n" ); document.write( "x = 3*(2) - 2 \n" ); document.write( "x = 6 - 2 = 4 \n" ); document.write( "check in the other equation \n" ); document.write( "2*(4) + 4*(2) = 16 \n" ); document.write( "8 + 8 = 16 \n" ); document.write( "checks \n" ); document.write( " |