document.write( "Question 85373: Solve by using addition or substitution. If solution isn't unique then state whether the system is dependent or inconsistent.\r
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document.write( "10x+2y=7
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document.write( "y=-5x+3\r
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document.write( "In a town election, the winning candidate had 220 more votes than the loser. If 810 votes were cast in all, how many votes did each candidate recieve?\r
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document.write( "The length of a rectangle is 2in. more than twice it's width. If the perimeter of the rectangle is 34 in., find the dimension of the rectangle. \n" );
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Algebra.Com's Answer #61538 by praseenakos@yahoo.com(507)![]() ![]() You can put this solution on YOUR website! 1. 10x+2y=7.....(1) \n" ); document.write( " y =5x+3....(2) substituting for y in (1) \n" ); document.write( " we get 10x+2(5x+3)=7 \n" ); document.write( " 10x+10x+6=7 or 20x =7-6 20x=1 orx=1/20 \n" ); document.write( " substituting for x in (2) we get y = 5(1/20)+3 =1/4 + 3 (1+12)/4 \n" ); document.write( " y=13/4 \n" ); document.write( " therefore the values of x& y are x=1/20 and y=13/4 \n" ); document.write( " 2. \n" ); document.write( " |