document.write( "Question 207937: solve system using substution method
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document.write( "5x+y=2
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document.write( "5y=x+9
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document.write( "solution ?/26,47/? \n" );
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Algebra.Com's Answer #157324 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "solve system using substution method \n" ); document.write( "5x+y=2 \n" ); document.write( "5y=x+9 \n" ); document.write( "solution ?/26,47/?\r \n" ); document.write( "\n" ); document.write( "5x + y = 2 ------- eq(i)------> y = -5x + 2 \n" ); document.write( "5y = x + 9 ------- eq(ii)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute -5x + 2 for y on eq (ii) \r \n" ); document.write( "\n" ); document.write( "5(-5x + 2) = x + 9\r \n" ); document.write( "\n" ); document.write( "-25x + 10 = x + 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-26x = - 1\r \n" ); document.write( "\n" ); document.write( " \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( "130y = 1 + 234 ----> Multiplying by LCD, 26\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "130y = 235\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |