63=-2k-4k+9

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Solution for 63=-2k-4k+9 equation: 


k in (-oo:+oo)

63 = 9-2*k-(4*k) // - 9-2*k-(4*k)

4*k-(-2*k)-9+63 = 0

2*k+4*k-9+63 = 0

6*k+54 = 0 // - 54

6*k = -54 // : 6

k = -54/6

k = -9

k = -9

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