(7u-11)^1/2=(9u-15)1/2

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Solution for (7u-11)^1/2=(9u-15)1/2 equation: 


u in (-oo:+oo)

((7*u-11)^1)/2 = ((9*u-15)^1)/2 // - ((9*u-15)^1)/2

((7*u-11)^1)/2-(((9*u-15)^1)/2) = 0

(7*u-11)/2-((9*u-15)/2) = 0

(7*u-11)/2+(-1*(9*u-15))/2 = 0

7*u-1*(9*u-15)-11 = 0

4-2*u = 0

(4-2*u)/2 = 0

(4-2*u)/2 = 0 // * 2

4-2*u = 0

4-2*u = 0 // - 4

-2*u = -4 // : -2

u = -4/(-2)

u = 2

u = 2

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