CPM Homework Help : PC3 Problem 13-26

Solve for $x$ and $y$ : $\left. \begin{array} { r } { \sqrt { x ^ { 2 } + y ^ { 2 } } + x = 9 } \\ { 2 x - y = 3 } \end{array} \right.$

Step:

$x^{2} + y^{2} = \left(9 − x\right)^{2}$
$y = 2x − 3$