Answer:
x=27, y= 21
Step-by-step explanation:
We can writ proportions to solve this. Red side over blue side
8 14 18
---------- = ------------- = -------------
12 y x
Using cross products on the first two
8y = 12*14
8y = 168
Divide by 8
8y/8 = 168/8
y =21
Now we can use cross products on the second and third
14x = 18y
We know y
14x = 18*21
14x =378
Divide by 14
14x/14 =378/14
x =27
