Answer:
x=6
Step-by-step explanation:
Each side equals 50ft. 5x+20=50
minus 20 on both sides
5x=30
divide by 5 on both sides
x=6
Answer:
x = 55
Step-by-step explanation:

Hope it helps.
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You just divide 18 by 4. If you want to check your answer divide 27 by 6