4(10-4k)=-40

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Solution for 4(10-4k)=-40 equation: 


k in (-oo:+oo)

4*(10-(4*k)) = -40 // + 40

4*(10-(4*k))+40 = 0

4*(10-4*k)+40 = 0

4*(10-4*k)+40 = 0

80-16*k = 0

80-16*k = 0

80-16*k = 0 // - 80

-16*k = -80 // : -16

k = -80/(-16)

k = 5

k = 5

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