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Chapter 1: Problem 75

Subtract. $$ 2-25 $$

Short Answer

Expert verified
-23

Step by step solution

01

Identify the operation

Recognize that the given exercise involves subtraction. The numbers present are 2 and 25.
02

Set up the operation

Write the subtraction sentence: \(2 - 25\)
03

Perform the subtraction

Subtract 25 from 2: When you subtract a larger number from a smaller number, the result is a negative number. \(2 - 25 = -23\)

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

negative numbers
Understanding negative numbers is very important in math. Negative numbers are those less than zero. These numbers are to the left of zero on a number line. For example, -1, -2, and -3 are negative numbers.
In subtraction, if you subtract a larger number from a smaller number, the result is negative. In the exercise above, subtracting 25 from 2 gives -23. Think of it like owing money: if you have \(2 but owe \)25, you end up with -\(23 because you are 'in debt' \)23.
basic arithmetic
Basic arithmetic includes fundamental operations like addition, subtraction, multiplication, and division. Subtraction is one of the simplest yet vital operations.
When subtracting, you take one number away from another. If the smaller number is subtracted from a larger number, the result is straightforward. However, if you subtract a larger number from a smaller number, you'll get a negative result.
In the example provided, 2 - 25 is subtraction where the number being subtracted (25) is larger than the starting number (2). This means the solution will be negative.
algebra
Algebra builds on basic arithmetic and involves using symbols to represent numbers and operations. Understanding negative numbers and subtraction is crucial for mastering algebra.
In algebra, operations like subtraction are used with variables. For example, if you start with an equation like 饾憥 - 饾憦 = 饾憪, knowing how to handle negative results is important. If 饾憥 is 2 and 饾憦 is 25, then 饾憪 would be -23.
This exercise is a simple application of algebraic principles: you're performing basic operations but the concepts like negative numbers are foundational for more complex algebra.

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