-57=2k+4k-9

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Solution for -57=2k+4k-9 equation: 


k in (-oo:+oo)

-57 = 2*k+4*k-9 // - 2*k+4*k-9

9-(2*k)-(4*k)-57 = 0

9-2*k-4*k-57 = 0

-6*k-48 = 0 // + 48

-6*k = 48 // : -6

k = 48/(-6)

k = -8

k = -8

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