document.write( "Question 524075: Can you please help me with this problem:
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document.write( "Solve each system of equations by using substitution
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document.write( "1. 2x+y=4
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document.write( " 3x+2y=1
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Algebra.Com's Answer #347536 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3 x + 2 y = 1 .............1 \n" ); document.write( "y = 4 -2 x ---------2 y = 4 -2 x \n" ); document.write( "Substitute y in (1) \n" ); document.write( "3x+2( 4 -2 x ) = 1 \n" ); document.write( "3x+8-4x = 1 \n" ); document.write( "3x-4x = 1 -8 \n" ); document.write( "-x = -7 \n" ); document.write( "/ -1 \n" ); document.write( "x= 7 \n" ); document.write( "Plug the value of x in (1) \n" ); document.write( "3x+2y = 1 \n" ); document.write( "3*7+y = 1 \n" ); document.write( "21 +2y = 1 \n" ); document.write( "2 y = -20 \n" ); document.write( "/ 2 \n" ); document.write( "y= -10 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |