X - y = 5,
x = 5 + y
substitute (x = 5 + y) into the first equation,
5 + y + 2y = -1
3y = -6
y = -2,
substitute y = -2 into (x - y = 5),
x + 2 = 5
x = 3
Hence, x = 3, y = -2
-30 represents 30 meters below zero.
Zero represents sea level in this situation.
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Answer:
Um sorry if its wrong but I think its that it gets bigger as you go on.
Step-by-step explanation:
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