Let x be the temperature at midnight.
From midnight to 6:00 am, the temperature rose 8°C, so at 6:00 am the temperature was x + 8.
At 6:00 am, the temperature was −20°C, so we can write:
x + 8 = −20
Subtracting 8 from both sides, we get:
x = −28
Therefore, the temperature at midnight was −28°C.
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From midnight to 6:00 am, the temperature rose 8°C. At 6:00 am, the temperature was
−
20
°
C. What was the temperature at midnight?
1 answer