-4/5k-4/7+2/5k=-82/315

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Solution for -4/5k-4/7+2/5k=-82/315 equation: 


k in (-oo:+oo)

(-4/5)*k+(2/5)*k-(4/7) = -82/315 // + -82/315

(-4/5)*k+(2/5)*k-(4/7)-(-82/315) = 0

(-4/5)*k+(2/5)*k-4/7+82/315 = 0

-2/5*k-14/45 = 0 // + 14/45

-2/5*k = 14/45 // : -2/5

k = 14/45/(-2/5)

k = -7/9

k = -7/9

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