k*4/5=7

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Solution for k*4/5=7 equation: 


k in (-oo:+oo)

(4*k)/5 = 7 // - 7

(4*k)/5-7 = 0

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

4/5*k = 7 // : 4/5

k = 7/4/5

k = 35/4

k = 35/4

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