3k+4=7k-4

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Solution for 3k+4=7k-4 equation: 


k in (-oo:+oo)

3*k+4 = 7*k-4 // - 7*k-4

3*k-(7*k)+4+4 = 0

3*k-7*k+4+4 = 0

8-4*k = 0 // - 8

-4*k = -8 // : -4

k = -8/(-4)

k = 2

k = 2

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