Question

Find the co-ordinates of the point of intersection of the straight lines
x+y=-7
x-y=-3

Answer 1

Answer:

x=5/y=2

Step-by-step explanation:

x+y=7

x-y=3

---------

2x=10

x=5

putting x=5 in eqn x+y=7

x+y=7

5+y=7

y=7-5

y=2