Question

3×+y= 10 ×-+= 2 Pdjfjfhf

Answer 1

$y = 10 - 3x$
$x - (10 - 3x) = 2$
$4x = 2 + 10$
$x = \frac{ 12}{4}$
$x = 3$
$3 - y = 2$
$y = 1 \\ x = 3$