The temperature at 2 a.m. was -10°C. At an earlier time the temperature was 0°C. It changed by -2°C each hour until 2 a.m.

Question

The temperature at 2 a.m. was -10°C.
At an earlier time the temperature was
0°C. It changed by -2°C each hour
until 2 a.m. At what earlier time was
the temperature 0°C?

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Thu Cúc 3 years 2021-08-30T22:36:48+00:00 1 Answers 8 views 0

Answers ( )

    0
    2021-08-30T22:38:32+00:00

    Answer:

    -1

    Step-by-step explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )