document.write( "Question 59858: Solve by any method
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document.write( "-4x + 3y = 2
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document.write( "5x - 2y = -3 \n" );
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Algebra.Com's Answer #41101 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! -4X+3Y=2 MULTIPLY THIS EQUATION BY 5 WE GET -20X+15Y=10 \n" ); document.write( "5X-2Y=-3 MULTIPLY THIS EQUATION BY 4 WE GET 20X-8Y=-12 \n" ); document.write( "NOW ADD THESE TWO EQUATIONS THUS \n" ); document.write( "-20X+15Y=10 \n" ); document.write( "20X-8Y=-12 \n" ); document.write( "------------------------------------- \n" ); document.write( "7Y=-2 \n" ); document.write( "Y=-2/7 THEN \n" ); document.write( "-4X+3*-2/7=2 \n" ); document.write( "-4X-6/7=2 \n" ); document.write( "-4X=2+6/7 \n" ); document.write( "-4X=20/7 \n" ); document.write( "X=(20/7)/-4 \n" ); document.write( "X=(20/7)(-1/4) \n" ); document.write( "X=-5/7 \n" ); document.write( "PROOF \n" ); document.write( "5(-5/7)-2(-2/7)=-3 \n" ); document.write( "-25/7+4/7=-3 \n" ); document.write( "(-25+4)/7=-3 \n" ); document.write( "-21/7=-3 \n" ); document.write( "-3=-3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |