Question

(2,?) is on the line 4x - 5y = -12. Find the other half of the coordinate.

Answer 1

(2,?) -> (x,y)

x= 2
Y =?


4(2) -5 y = -12

8 -5 y = -12

-5y = -12-8
-5y=-20

y = -20 : -5

y= 4


so ……… (x,y) -> (2,4)