Question

find the value of x and y if two ordered points are (x-3,6) and (4,x+y) are equal.

Answer 1

(x-3,6)&(4,x+y)
compare x from x and y from y
x-3=4
x=4+3
x=7 ----1 equation.
now,
x+y=6
from eq.1,we get
7+y=6
y=6-7
y=-1