Question

Perform the operations. $$ -20-(-30)-50+40 $$

   Perform the operations.
$$
-20-(-30)-50+40
$$

Elementary and Intermediate Algebra

Elementary and Intermediate Algebra

Alan S. Tussy, R.… 5th Edition

Chapter 1, Problem 57

Instant Answer

Solved by Expert Thomas Emment

04/14/2020

Step 1

So, $-20-(-30)-50+40$ becomes $-20+30-50+40$. Show more…

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Perform the operations. $$ -20-(-30)-50+40 $$

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Key Concepts

Integer Operations

Integer operations involve performing addition and subtraction with positive and negative numbers. This requires careful manipulation of the numbers while keeping track of the signs to get the correct result.

Subtraction of Negative Numbers

Subtracting a negative number is equivalent to adding the absolute value of the number. Recognizing this property is essential for correctly simplifying and solving arithmetic expressions.

Order of Operations

Even in simple arithmetic expressions, the order in which operations are carried out is important. This entails resolving operations with negative signs and parentheses before systematically carrying out addition and subtraction.

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