document.write( "Question 474504: I tried solving this system of equations, but my answer seems totally off. If someone could please show me where I went wrong, I'd appreciate it!\r
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document.write( "Solve the system of equations using the elimination method.\r
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document.write( "4x+3y=3
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document.write( "5x-9y=144\r
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document.write( "I multiplied the second equation by 3 to eliminate the y variable. After adding the two equations and solving for x, I got 10 1/17.\r
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document.write( "Then I substituted my x-value into the original first equation to solve for y.\r
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document.write( "Thus, my answer was (171/17, -211/17) \n" );
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Algebra.Com's Answer #325422 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 4 x + 3 y = 3 .............1 \n" ); document.write( "5 x -9 y = 144 .............2 \n" ); document.write( " \n" ); document.write( "multiply (1)by 3 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "12 x + 9 y = 9 \n" ); document.write( "5 x + -9 y = 144 \n" ); document.write( "Add the two equations \n" ); document.write( "17 x = 153 \n" ); document.write( "/ 17 \n" ); document.write( "x = 9 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "4 x + 3 y = 3 \n" ); document.write( "36 + 3 y = 3 \n" ); document.write( " 3 y = 3 -36 \n" ); document.write( " 3 y = -33 \n" ); document.write( " y = -11 \n" ); document.write( " \n" ); document.write( " |