document.write( "Question 408603: solve the simultaneous equations:
\n" ); document.write( "x2 + y2 = 16
\n" ); document.write( "y = 3x -1
\n" ); document.write( "please give answers to an accuracy of 2 decimal places
\n" ); document.write( "

Algebra.Com's Answer #287792 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
substituting ___ x^2 + (3x - 1)^2 = 16\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x^2 + 9x^2 - 6x + 1 = 16 ___ 10x^2 - 6x - 15 = 0\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "use the quadratic formula to find the two values of x , then substitute to find the two values of y
\n" ); document.write( "
\n" );