70=4k+5k+7

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Solution for 70=4k+5k+7 equation: 


k in (-oo:+oo)

70 = 4*k+5*k+7 // - 4*k+5*k+7

70-(4*k)-(5*k)-7 = 0

70-4*k-5*k-7 = 0

63-9*k = 0 // - 63

-9*k = -63 // : -9

k = -63/(-9)

k = 7

k = 7

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