document.write( "Question 249249: Solve by elimination method. x + 2y = 19 -x + 7y = 53?
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document.write( "Solution is an ordered pair, an integer or fraction for any numbers in the expression.
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Algebra.Com's Answer #181639 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! x + 2y = 19 \n" ); document.write( " -x + 7y = 53 \n" ); document.write( "---------------Addition eliminates x find y \n" ); document.write( "0 + 9y = 72 \n" ); document.write( "y = \n" ); document.write( "y = 8 \n" ); document.write( ": \n" ); document.write( "Find x using the 1st equation \n" ); document.write( "x + 2(8) = 19 \n" ); document.write( "x + 16 = 19 \n" ); document.write( "x = 19 - 16 \n" ); document.write( "x = 3 \n" ); document.write( "; \n" ); document.write( "3,8 is the ordered pair \n" ); document.write( "; \n" ); document.write( "Check solutions in the 2nd equation \n" ); document.write( "-3 + 7(8) = \n" ); document.write( "-3 + 56 = 53 \n" ); document.write( " \n" ); document.write( " |