7u/2=-28 - solution

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Solution for 7u/2=-28 equation:

u in (-oo:+oo)

(7*u)/2 = -28 // + 28

(7*u)/2+28 = 0

7/2*u+28 = 0 // - 28

7/2*u = -28 // : 7/2

u = -28/7/2

u = -8

u = -8

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