x/3-6=21

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Solution for x/3-6=21 equation: 


x in (-oo:+oo)

x/3-6 = 21 // - 21

x/3-21-6 = 0

1/3*x-27 = 0 // + 27

1/3*x = 27 // : 1/3

x = 27/1/3

x = 81

x = 81

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