1/2x+4=9 - solution

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Solution for 1/2x+4=9 equation:

x in (-oo:+oo)

(1/2)*x+4 = 9 // - 9

(1/2)*x-9+4 = 0

1/2*x-5 = 0 // + 5

1/2*x = 5 // : 1/2

x = 5/1/2

x = 10

x = 10

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