https://adamaths.com/forum/
20240030030
https://adamaths.com/forum/viewtopic.php?f=117&t=5816
Page
1
of
1
20240030030
Posted:
Mon Feb 05, 2018 9:32 pm
by
ada
$\begin{align}4x-5y-8z&=-154\\10x+5y+6z&=240\\x-5y-2z&=-61\end{align}$