Answer:
x - 6
Step-by-step explanation:
I'm showing you how I solved it in the picture that I have included.
Answer: 
<u>Step-by-step explanation:</u>

Answer:
W=32
L=70
Step-by-step explanation:
L=2w+6
204=2L+2W
204=2w+2(2w+6)
204=2w+4w+12
192=6w
w=32
L=2(32)+6
L=70