Question

$15x + 17x = 31$
and
$17x + 15y = 21$
find the value of
$x - y$
​

Answer 1

$15x + 17x = 31$

and

$17x + 15y = 21$

find the value of

$x - y$

$ANSWER$

= 17x+15x+15y+17y= 31+21

= 17x+15x+15y+17y= 52

= 32x+32y=52

$Final Answer$

32x+32y=52