document.write( "Question 73198: My question has to be solved using elimination. The two equations in the question are:
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document.write( "5x+2y=18 and,
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document.write( "3x+2y=10.\r
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document.write( "How can I solve this and what is the correct answer?
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document.write( "Thank you!
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document.write( "Amber Robinson \n" );
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Algebra.Com's Answer #52435 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 5X+2Y=18 \n" ); document.write( "2Y=-5X+18 NOW SUSTITUE (-5X+18) FOR 2Y & SOLVE FOR X IN THE SECOND \n" ); document.write( "3X+(-5X+18)=10 \n" ); document.write( "3X-5X+18=10 \n" ); document.write( "-2X=10-18 \n" ); document.write( "-2X=-8 \n" ); document.write( "X=-8/-2 \n" ); document.write( "X=4 ANSWER. \n" ); document.write( "5*4+2Y=18 \n" ); document.write( "20+2Y=18 \n" ); document.write( "2Y=18-20 \n" ); document.write( "2Y=-2 \n" ); document.write( "Y=-2/2 \n" ); document.write( "Y=-1 ANSWER. \n" ); document.write( "PROOF \n" ); document.write( "3*4+2*-1=10 \n" ); document.write( "12-2=10 \n" ); document.write( "10=10\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |