document.write( "Question 7440: please help me with this problem..
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document.write( "solve by any method.
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document.write( "3x-2y=-5
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document.write( "-3x-y=-1 \n" );
document.write( "
Algebra.Com's Answer #327431 by cleomenius(959)![]() ![]() You can put this solution on YOUR website! You can solve this with simultaneous equations.\r \n" ); document.write( "\n" ); document.write( "3x - 2y = -5 \n" ); document.write( "-3x -y = -1\r \n" ); document.write( "\n" ); document.write( "Add the two equations.\r \n" ); document.write( "\n" ); document.write( "-3y = -6\r \n" ); document.write( "\n" ); document.write( "therefore y = 2.\r \n" ); document.write( "\n" ); document.write( "Check in first equation \n" ); document.write( "3x -4 = -5 \n" ); document.write( "x = -1/3\r \n" ); document.write( "\n" ); document.write( "we can now plug this into the 2nd equation to check.\r \n" ); document.write( "\n" ); document.write( "1 - 2 = -1\r \n" ); document.write( "\n" ); document.write( "The answers check for us.\r \n" ); document.write( "\n" ); document.write( "Cleomenius. \n" ); document.write( " |