document.write( "Question 824394: I need more detail solution and explanation:
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document.write( "If 3x+y-2z=7 and x-y-2z=5, find the value of 4x+2y-2z \n" );
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Algebra.Com's Answer #496442 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 3x+y-2z=7 , \n" ); document.write( "x-y-2z=5,\r \n" ); document.write( "\n" ); document.write( "a=4x+2y-2z \n" ); document.write( "a = 8, y = 1-x, z = x-3 \n" ); document.write( " |