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1.2 Exercise 13

Avg difficulty 2.5

Simplify: ⓐ 13−813 - 8 and 13+(−8)13 + \left(−8\right) ⓑ −17−9−17 - 9 and −17+(−9)−17 + \left(−9\right) ⓒ 9−(−15)9 - \left(−15\right) and 9+159 + 15 ⓓ −7−(−4)−7 - \left(−4\right) and −7+4.−7 + 4 .

OpenStax Intermediate Algebra 2e, 1.2 Integers, exercise 13

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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.