21/1=x/18

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Solution for 21/1=x/18 equation: 


x in (-oo:+oo)

21/1 = x/18 // - x/18

21/1-(x/18) = 0

21-(x/18) = 0

21-1/18*x = 0 // - 21

-1/18*x = -21 // : -1/18

x = -21/(-1/18)

x = 378

x = 378

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