Mathematics, 08.07.2019 23:00 isyssjones42

Which of the following is a true statement a) if ab=cd, then 3cd=3(cd+1). b)if ab=cd, then ab-cd=a-c+b-d. c)if ab=cd, thenab+ef=cd+ef d)if ab=cd, then 2ab=2a+2b

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Which of the following is a true statement a) if ab=cd, then 3cd=3(cd+1). b)if ab=cd, then ab-cd=a-c...