Respuesta:
5
Explicación paso a paso:
3 (3k - 5) +3 (2k - 6) = 42
15k-33=42
15k=75
k=5
[tex]3(3k - 5) + 3(2k - 6) = 42 \\ 9k - 15 + 6k - 18 = 42 \\ 15k - 33 = 42 \\ 15k = 75 \\ k = 5[/tex]
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Verified answer
Respuesta:
5
Explicación paso a paso:
3 (3k - 5) +3 (2k - 6) = 42
15k-33=42
15k=75
k=5
Explicación paso a paso:
[tex]3(3k - 5) + 3(2k - 6) = 42 \\ 9k - 15 + 6k - 18 = 42 \\ 15k - 33 = 42 \\ 15k = 75 \\ k = 5[/tex]