2(-7-5k)=-84

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Solution for 2(-7-5k)=-84 equation: 


k in (-oo:+oo)

2*(-(5*k)-7) = -84 // + 84

2*(-(5*k)-7)+84 = 0

2*(-5*k-7)+84 = 0

2*(-5*k-7)+84 = 0

70-10*k = 0

70-10*k = 0

70-10*k = 0 // - 70

-10*k = -70 // : -10

k = -70/(-10)

k = 7

k = 7

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