Question

Find all points on the line x + y = 4 that lie at a unit distance from the line
4x + 3y = 10.
1.
ten​

Answer 1

(x+y=4)-3

4x+3y=10

-3x-3y=-12

4x+3y=10

by adding them

x=-2

put this value in equation 1

x+y=4

-2+y=4

y=4+2

y=6

THEREFORE

x=-2

y=6