Question

(4,?) is on the line y=2x+3. Find the other half of the coordinate

Answer 1

(4,?) is on the line y=2x+3.

? = y bcs how to write coordinate is (x,y)

y = 2x + 3
? = 2(4) + 3
? = 8 + 3
? = 11

so ? = 11