(x-1)^1/2=7

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Solution for (x-1)^1/2=7 equation: 


x in (-oo:+oo)

((x-1)^1)/2 = 7 // - 7

((x-1)^1)/2-7 = 0

(x-1)/2-7 = 0

(x-1)/2+(-7*2)/2 = 0

x-7*2-1 = 0

x-15 = 0

(x-15)/2 = 0

(x-15)/2 = 0 // * 2

x-15 = 0

x-15 = 0 // + 15

x = 15

x = 15

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