What is "Three subtracted from twice a number" in algebraic expression?
Question
What is "Three subtracted from twice a number" in algebraic expression?
Solution
The algebraic expression for "Three subtracted from twice a number" is 2x - 3.
Here's the step-by-step process:
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Identify the unknown: The problem refers to "a number." In algebra, we often use x to represent an unknown number.
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Translate "twice a number": In algebra, "twice a number" means we multiply the number by 2. So, "twice a number" translates to 2x.
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Translate "three subtracted from": In algebra, this means we subtract 3 from the result we got in the previous step.
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Put it all together: So, "Three subtracted from twice a number" translates to 2x - 3 in algebraic expression.
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Terms can be added or subtracted to form an expression.
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