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5 votes
How would I write this as an expression?

The temperature today was 10 degrees colder than triple yesterday's temperature t.

2 Answers

4 votes
Or, 3x-10
We don’t know what yesterday’s temp. was, so we use a variable
User Taranath Datta
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4 votes
X•3-10 x represents yesterday’s temperature
User Shambhala
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