Question

0, A point on the graph of y : 2x — 4 has an coordinate Find coordinate of his

Answer 1

input a value for x and get a value for y
y=2x-4
x=3
y=2(3)-4
y=6-4
y=2

ycoordinate=2


coordinate=(3,2)

Answer 2

See the pic, I'd solved in it.