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Although you haven't said so, we presume you want to know the

value of the unknown number, and you're too shy to ask for it.

You've told us the following:

2x - 7 = -3

Add 7 to each side:

2x = 4

Divide each side by 2:

x = 2

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Q: Twice an unknown number is decreased by seven The result is -3?
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