Question

x-y=4
x+y=10 solve graphically​

Answer 1

x-y = 4. x+y = 10

( x+y = 10)+(x-y= 4)

2x = 14

x= 7

therefore, put its value in eq. 2

. hence, y = 3 (10-7)

Answer 2

Answer:

y=3

x=7

Step-by-step explanation:

x-y=4

x+y=10

x+y - (x-y)=

x+y-x-y= 10-4=6

2y=6

---> y=3

----> x=7