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1.2 Exercise 14

Avg difficulty 2.5

Simplify: ⓐ 21−1321 - 13 and 21+(−13)21 + \left(−13\right) ⓑ −11−7−11 - 7 and −11+(−7)−11 + \left(−7\right) ⓒ 6−(−13)6 - \left(−13\right) and 6+136 + 13 ⓓ −5−(−1)−5 - \left(−1\right) and −5+1.−5 + 1 .

OpenStax Intermediate Algebra 2e, 1.2 Integers, exercise 14

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.