Question

solve the following equation x-y=40,x+y=10​

Answer 1

Answer:

x-y=40_____(1)

x+y=10_____(2)

_______

2x=50

x=25

from equation 1

x+y=40

25+y=40

y=15

Answer 2

Answer:

$x - y = 40$

$x + y = 10$

$2x = 50$

$x = 25$

$y = - 15$