chaiprajg chaiprajg

21-04-2020
Mathematics

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|7m+4| =1 pls pls.

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306flower 306flower

21-04-2020

|7m + 4| = 1

It can equal either 1 or -1, so:

7m + 4 = 1

7m = -3

m = -3/7

7m + 4 = -1

7m = -5

m = -5/7

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