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Twice an unknown number is decreased by seven The result is -3?
Wiki User
∙ 13y ago
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
Wiki User
∙ 13y ago
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