document.write( "Question 371710: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
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document.write( "8x + 10y = -34\r
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document.write( "16x – 5y = -43
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Algebra.Com's Answer #264758 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 8x + 10y = -34................................1\r \n" ); document.write( "\n" ); document.write( "16x – 5y = -43.................................2 \n" ); document.write( ".. \n" ); document.write( "multiply (1) by -2 \n" ); document.write( "-16x-20y=68 \n" ); document.write( "add it to (2) \n" ); document.write( "16x-16x-5y-20y=-43+68 \n" ); document.write( "-25y=25 \n" ); document.write( "/-25 \n" ); document.write( "y=-1 \n" ); document.write( "... \n" ); document.write( "plug value of y in (1) \n" ); document.write( "8x+10y=-34 \n" ); document.write( "8x-10=-34 \n" ); document.write( "8x-34+10 \n" ); document.write( "8x=-24 \n" ); document.write( "/8 \n" ); document.write( "x= -3 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |