x^2+y^2=20, y=2x+9

Input

{x^2 + y^2 = 20, y = 2 x + 9}

Solutions

x = -18/5 - sqrt(19)/5, y = 9/5 - (2 sqrt(19))/5
x = sqrt(19)/5 - 18/5, y = 9/5 + (2 sqrt(19))/5
POWERED BY THE WOLFRAM LANGUAGE