Solve for k
k=-79
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5-k=12\times 7
Multiply both sides by 7.
5-k=84
Multiply 12 and 7 to get 84.
-k=84-5
Subtract 5 from both sides.
-k=79
Subtract 5 from 84 to get 79.
k=-79
Multiply both sides by -1.
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Matrix
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Limits
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