7k-42/12-2k

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Solution for 7k-42/12-2k equation: 


k in (-oo:+oo)

7*k-(2*k)-(42/12) = 0

7*k-2*k-7/2 = 0

5*k-7/2 = 0 // + 7/2

5*k = 7/2 // : 5

k = 7/2/5

k = 7/10

k = 7/10

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