document.write( "Question 26500: Solve by elimination method I can't seem to get the correct answer. HELP!!!!!!\r
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document.write( "1. 5x+6y=44
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document.write( " -5x+y=19\r
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document.write( "2. 9x-y=52
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document.write( " x+8y=22 \n" );
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Algebra.Com's Answer #14365 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1st Problem: \n" ); document.write( "Add the two equations to get: 7y=63 \n" ); document.write( "Then y=9 \n" ); document.write( "Plug that into one of the original equations to solve for \"x\": \n" ); document.write( "5x+6(9)=44 \n" ); document.write( "5x=44-54=-10 \n" ); document.write( "x=2 \n" ); document.write( "Solution for the system is (2,9) \n" ); document.write( "2nd Problem: \n" ); document.write( "To eliminate the \"y's\" multiply the 1st equation by 8 to get: \n" ); document.write( "72x-8y=416 \n" ); document.write( "Now, add that to the 2nd equation to get: \n" ); document.write( "73x=438 \n" ); document.write( "x=6 \n" ); document.write( "Plug that into one of the original equation to solve for \"y\": \n" ); document.write( "6+8y=22 \n" ); document.write( "8y=16 \n" ); document.write( "y=2 \n" ); document.write( "The solution for the system is (6,2) \n" ); document.write( "Cheers, \n" ); document.write( "stan H. \n" ); document.write( " \n" ); document.write( " |