 # Represent the following sentence as an algebraic expression, where “a Holly Guerrero 2021-12-19 Answered
Represent the following sentence as an algebraic expression, where “a number” is the letter x.
3 is subtracted from a number.
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Step 1
Given,
Let the number be x and 3 is subtracted from a number.
Represent it in expression.
Step 2
3 is subtracted from a number means 3 is subtracted from x.
Here we have to subtract 3 from x. It can be represented as
$=x-3$
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Answer: ${x}^{2}-3$
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The sentence "5 is subtracted from the square of a number" represented as an algebraic expression is: ${x}^{2}-5$
- Let the number be x.
In this exercise, you're required to write an algebraic expression to represent the word problem (sentence). Also, the number would be denoted by the letter x and no need for further simplification of the algebraic expression.
Translating the word problem (sentence) into an algebraic expression, we have;
Square of a number $\left(x\right)={x}^{2}$
Subtracting 5 from the the square of x, we have;
${x}^{2}-5$