Q69. $3 x + 5 y + \lambda z = 3$\\
Let $\lambda , \mu \in \mathbf { R }$. If the system of equations $7 x + 11 y - 9 z = 2$ has infinitely many solutions, then $\mu + 2 \lambda$ is $97 x + 155 y - 189 z = \mu$ equal to :\\
(1) 24\\
(2) 25\\
(3) 22\\
(4) 27