document.write( "Question 70750This question is from textbook ALGEBRA 1
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document.write( ": how do you solve the elimination method? -2x+4y=12
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document.write( " 3x-2y=-10 \n" );
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Algebra.Com's Answer #50542 by checkley75(3666) ![]() You can put this solution on YOUR website! -2X+4Y=12 NOW MULTIPLY THE SECOND EQUATION BY 2 & ADD \n" ); document.write( "6X-4Y=-20 \n" ); document.write( "----------------------- \n" ); document.write( "4X=-8 \n" ); document.write( "X=-8/4 \n" ); document.write( "X=-2 ANSWER NOW SUBSTITUTE -2 FOR X \n" ); document.write( "-2*-2+4Y=12 \n" ); document.write( "4+4Y=12 \n" ); document.write( "4Y=12-4 \n" ); document.write( "4Y=8 \n" ); document.write( "Y=8/4 \n" ); document.write( "Y=2 ANSWER \n" ); document.write( "PROOF \n" ); document.write( "3*-2-2*2=-10 \n" ); document.write( "-6-4=-10 \n" ); document.write( "-10=-10 \n" ); document.write( " |