   Chapter 2.2, Problem 36E

Chapter
Section
Textbook Problem

Subtract: ( + 20 ) − ( − 30 )

To determine

To calculate: The subtraction of an expression (+20)(30).

Explanation

Given Information:

The expression is,

(+20)(30)

Formula used:

To subtract the two signed numbers, the following steps are used:

1). Subtract the numbers by changing their sign.

2). Use the rule of addition of two unlike or like signed number.

Calculation:

Consider the provided expression.

(+20)(30)

Change the sign of the number

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