-20.7=-3.2+u/7

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Solution for -20.7=-3.2+u/7 equation: 


u in (-oo:+oo)

-20.7 = u/7-3.2 // - u/7-3.2

3.2-(u/7)-20.7 = 0

-1/7*u-17.5 = 0 // + 17.5

-1/7*u = 17.5 // : -1/7

u = 17.5/(-1/7)

u = -122.50000245

u = -122.50000245

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