robinotsosaVit robinotsosaVit

17-08-2016
Mathematics

Answered

evaluate 3(a – 4b) when a = –2 and b = 5. a. 54 b. –54 c. 39 d. –66

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tadiiee tadiiee

17-08-2016

Substitute and your sum will be 3(-2-20). Multiply the numbers in the bracket by 3 and your sum will be -6-60 which is equal to -66

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