7-7k+3k=55

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Solution for 7-7k+3k=55 equation: 


k in (-oo:+oo)

3*k-(7*k)+7 = 55 // - 55

3*k-(7*k)-55+7 = 0

3*k-7*k-55+7 = 0

-4*k-48 = 0 // + 48

-4*k = 48 // : -4

k = 48/(-4)

k = -12

k = -12

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