February 07, 2019
January 17, 2018
Answer: 11 + 7 = 7 + 11 per the substitution postulate: A quantity may be substituted for its equal in any process. And “may” is permission.
Answer: 11 + 7 = 7 + 11 per the substitution postulate: A quantity may be substituted for its equal in any process. And “may” is permission.