5k+4=7k+20

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Solution for 5k+4=7k+20 equation: 


k in (-oo:+oo)

5*k+4 = 7*k+20 // - 7*k+20

5*k-(7*k)-20+4 = 0

5*k-7*k-20+4 = 0

-2*k-16 = 0 // + 16

-2*k = 16 // : -2

k = 16/(-2)

k = -8

k = -8

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