Solve the System by the Method of Substitution $$\left\{ \begin{aligned}x & = \sqrt { y + 10 } \\3 x + 2 y & = - 20\end{aligned} \right.$$

Multiple Choice

Solve the system by the method of substitution. $$\left\{ \begin{aligned}x & = \sqrt { y + 10 } \\3 x + 2 y & = - 20\end{aligned} \right.$$

A) $( 0 , - 10 ) \left( - \frac { 3 } { 2 } , - \frac { 31 } { 4 } \right)$
B) $\left( \frac { 3 } { 2 } , - \frac { 31 } { 4 } \right)$
C) $( 0 , - 10 )$
D) $( 0,10 ) \left( \frac { 3 } { 2 } , - \frac { 31 } { 4 } \right)$
E) no solution exist