(7-x)^1/2=7

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


x in (-oo:+oo)

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

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

(7-x)/2-7 = 0

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

7-x-7*2 = 0

-x-7 = 0

(-x-7)/2 = 0

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

-x-7 = 0

-x-7 = 0 // + 7

-x = 7 // * -1

x = -7

x = -7

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