mathisfunyay
mathisfunyay
31-03-2021
Mathematics
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cad311
cad311
31-03-2021
k + 77 = 2k - (16 - 89)
k + 77 = 2k - (-73)
k + 77 = 2k + (73)
k - 2k = 73 - 77
change the signs
k = 4
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