Question

Solve grahically x+y=10 ;x-y=-4

Answer 1

Answer:

x+y=10......(1)

x-y=-4........(2)

(1)+(2)

2x=6

x=3

putting x=3 in (1),we get

3+y=10

y=7

Therefore required solution (x, y)=(3,7).

Hope it will helps you.