I’m pretty sure the answer is C
Step-by-step explanation:
The Mathematical expression would be given as:
- (70 + 2n)
Where n represents any given year.
Negative sign is taken as it symbolises depth below sea level.
Answer:
I think the second one, the one you already put
Step-by-step explanation:
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Answer:
x = 4
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Explanation:
We're solving the equation: -8=-(x+4)
Solve:
-8=-(x+4)
Distribute the negative to the variables in the parenthesis.
-8 = -x - 4
Add 4 to both sides
-4 = -x
Divide by -1
4 = x (same as x = 4)
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