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Chapter 1: Problem 115

Write a problem that can be solved by finding the difference between two numbers. At least one of the numbers should be negative. Then explain how to solve the problem.

Short Answer

Expert verified
The difference between -10 and 7 is 17

Step by step solution

01

Problem Formulation

Consider the problem of finding the difference between -10 and 7.
02

Identify the Numbers

There are two numbers to consider here: -10 and 7.
03

Apply the Rule

Next, apply the rule of subtraction. Subtracting a number is the same as adding its negative. Thus, subtracting -10 (negative number) is same as adding 10 (its positive).
04

Perform the Operation

Now simply add the two numbers. \(7 + 10 = 17\)

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Most popular questions from this chapter

Write each English phrase as an algebraic expression. Then simplify the expression. Let x represent the number. The quotient of \(-7\) and a number, subtracted from the quotient of \(-12\) and the number.

Find the value of each expression. $$-|-8-(-2)|-(-6)$$

Perform the indicated subtraction. $$-65-(-65)$$

Write each English phrase as an algebraic expression. Then simplify the expression. Let x represent the number. The quotient of \(-2\) and a number, subtracted from the quotient of \(-5\) and the number.

Simplify each series of additions and subtractions. $$8-2+5-13$$
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