elizabethtarlton1989 elizabethtarlton1989

14-09-2019
Mathematics

contestada

complete 2x+21= using only the communtative property of addition

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Mizuk1ngdom Mizuk1ngdom

14-09-2019

Answer:

-9.5

Step-by-step explanation:

2x + 21 =

2x + 20 = 1 (C.P)

2x = 1-20

2x = - 19

x= - 19/2

x = - 9. 5

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