x/13=21

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Solution for x/13=21 equation: 


x in (-oo:+oo)

x/13 = 21 // - 21

x/13-21 = 0

1/13*x-21 = 0 // + 21

1/13*x = 21 // : 1/13

x = 21/1/13

x = 273

x = 273

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