Question

Решите систему 2х-2у=7
3х+2у=3

Answer 1

$left { {{2x-2y=7} atop {3x+2y=3}} right.$
$5x=10$
$x= frac{10}{5}$
$x=2$
$2*2-2y=7$
$-2y=7-4$
$-2y=3$
$y=- frac{3}{2}$
$y=1.5$