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Chapter 1: Problem 11

Find each sum without the use of a number line. $$30+(-30)$$

Short Answer

Expert verified
The sum of 30 and -30 is 0.

Step by step solution

01

Recognize Zero Pair

In the expression 30 + (-30), you have a number 30 and its additive inverse -30. These two numbers form a zero pair.
02

Add Zero Pair

By the principle of zero pairs, whenever you add a number to its opposite (additive inverse), the sum is always zero.

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Most popular questions from this chapter

Simplify each series of additions and subtractions. $$-\frac{1}{2}-\frac{2}{3}-\left(-\frac{1}{3}\right)$$

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Perform the indicated subtraction. $$\frac{2}{5}-\frac{1}{10}$$

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