document.write( "Question 176262: Please show me how to use the substitution method to solve this system of equations.\r
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document.write( "3x-11y=2
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document.write( "x-5y=2\r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #131387 by MathTherapy(10555)![]() ![]() You can put this solution on YOUR website! 3x - 11y = 2 \n" ); document.write( " x - 5y = 2 \r \n" ); document.write( "\n" ); document.write( "x = 5y - 2\r \n" ); document.write( "\n" ); document.write( "Substituting this value for x in equation 1, we get:\r \n" ); document.write( "\n" ); document.write( "3(5y + 2) - 11y = 2 \n" ); document.write( "15y + 6 - 11y = 2 \n" ); document.write( "4y = - 4 \n" ); document.write( "y = - 1\r \n" ); document.write( "\n" ); document.write( "x - 5(-1) = 2 \n" ); document.write( "x + 5 = 2 \n" ); document.write( "x = - 3\r \n" ); document.write( "\n" ); document.write( "Solution: (- 3, - 1) \n" ); document.write( " \n" ); document.write( " |