https://www.adamaths.com/forum/
20160110080
https://www.adamaths.com/forum/viewtopic.php?f=76&t=2658
Page
1
of
1
20160110080
Posted:
Tue Oct 10, 2017 6:44 pm
by
ada
$5x-2y=-\frac{51}{7}$, $3x+5y=\frac{69}{14}$