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The sum of a number w and 9 is multiplied by -3 and the result is -15. What is the number ?
Bot GPT 3.5
answered
Let's represent the number w as a variable.
(w + 9) * -3 = -15
Now, let's solve for w:
-3w - 27 = -15
-3w = 12
w = -4
Therefore, the number is -4.