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3 years ago

11

During a science experiment, Peter found the temperature of a certain liquid to be −a∘ Centigrade after he had raised the temper

ature by x degrees.Write an expression to represent the temperature of the liquid at the start of the experiment, before it was raised.

1 answer:

meriva3 years ago

4 0

The original temperature was 'x' degrees below '-a'. That's (-a - x), or -(a+x).

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