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irina1246 [14]
3 years ago
14

3k + 10 = 2k - 21 what is k

Mathematics
2 answers:
Len [333]3 years ago
5 0
3k+10=2k-21
    -10       -10
3k=2k-31
     -2k
k=-31
that's your answer
Klio2033 [76]3 years ago
5 0
K= -31!
k= -21-10
k= -31
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