document.write( "Question 2455: 4x-y=-1
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document.write( "6x+5y=18\r
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document.write( "I really want to know the complete solution, and how to do it. May god bless the one who answers me. \n" );
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Algebra.Com's Answer #1095 by kiru_khandelwal(79)![]() ![]() ![]() You can put this solution on YOUR website! 4x -y = -1 \n" ); document.write( "=> 4x + 1 = y \n" ); document.write( "=> y = 4x + 1........Equation (1)\r \n" ); document.write( "\n" ); document.write( "6x + 5y = 18...equation(2) \n" ); document.write( "Substituting the value of y from equation(1) in the equation(2)\r \n" ); document.write( "\n" ); document.write( "=> 6x + 5(4x+1) = 18 \n" ); document.write( "=> 6x + 20x + 5 = 18 \n" ); document.write( "=> 26x = 18 -5 \n" ); document.write( "=> 26x = 13 \n" ); document.write( "=> x = 13/26 = 1/2\r \n" ); document.write( "\n" ); document.write( "substituting the value of x in equation(1) \n" ); document.write( "y = 4x + 1 \n" ); document.write( "y = 4*1/2 + 1 \n" ); document.write( "y = 2+1 = 3\r \n" ); document.write( "\n" ); document.write( "So, x=1/2 y=3\r \n" ); document.write( "\n" ); document.write( "Hope this helps :-) \n" ); document.write( " |