ustyak00 ustyak00

10-02-2018
Mathematics

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The Substitution Property of Equality allows you to say that if 7j + 14k = 28, and j = 2, then _____.

k = 2

7(j + 2k) = 28

28 = 14k + 7j

7 ● 2 + 14k = 28

Respuesta :

ninarojas509p36eu4 ninarojas509p36eu4

11-02-2018

7(2+14k)=28
14+98k=28
-14. -14
________
98k=14
______
98k. 98k
k=1/7

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