document.write( "Question 170041: Solve the non-linear system of equations. Give Exact Values:\r
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Algebra.Com's Answer #125506 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Multiply the 1st equation by 2 and subtract from the 2nd equation: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "--------------------subtraction eliminates y^2 \n" ); document.write( "x^2 = 9 \n" ); document.write( "x = \n" ); document.write( "x = +/-3 \n" ); document.write( ": \n" ); document.write( "Find y \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "y^2 = 16 \n" ); document.write( "y = \n" ); document.write( "y = +/-4 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solutions in 2nd equation \n" ); document.write( " |