Respuesta :

y=6x-24

substitute 18 for y
18=6x-24

add 24 on both sides
42=6x

divide both sides by 6
7=x

Answer:

7

Step-by-step explanation:

y=18

y=6x-24

18=6x-24

+24 +24

_______

42=6x

__ __

6 6

7=x