Answer: A (-2, 1)
see image explanation attached
Well you know you keep the 7. 1/3 well you see it as .3333 so just go 7.33 because 7.333 and since it's a 3 you keep it.
Add 8.1 to both sides to find x!
hope this helps :-)
<span>3 is to 4 as 12 is to x, or 3/4 = 12/x </span>