Solve for k
k=-3
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7k+2-3k=-10
Subtract 3k from both sides.
4k+2=-10
Combine 7k and -3k to get 4k.
4k=-10-2
Subtract 2 from both sides.
4k=-12
Subtract 2 from -10 to get -12.
k=\frac{-12}{4}
Divide both sides by 4.
k=-3
Divide -12 by 4 to get -3.
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