x/2+7=21.5 - solution

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Solution for x/2+7=21.5 equation:

x in (-oo:+oo)

x/2+7 = 21.5 // - 21.5

x/2-21.5+7 = 0

1/2*x-14.5 = 0 // + 14.5

1/2*x = 14.5 // : 1/2

x = 14.5/1/2

x = 29

x = 29

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