-3/2u=-21 - solution

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Solution for -3/2u=-21 equation:

u in (-oo:+oo)

(-3/2)*u = -21 // + 21

(-3/2)*u+21 = 0

21-3/2*u = 0 // - 21

-3/2*u = -21 // : -3/2

u = -21/(-3/2)

u = 14

u = 14

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