Question

The solution for the equation x – y = - 4 and x+y = 10 are…………

(a) (7, 3) (b) (3, 7) (c) (6, 2) (d) (8, 2)​

Answer 1

Answer is a) (7,3).

Hope it helps!

Answer 2

x-y= -4
x= -4+y
x+y=10
(-4+y)+y=10
-4+2y=10
2y=10+4
2y=14
y=14/2
y=7
x= -4+y = -4+7=3

Ans. x=3, y=7