-x/9=-21

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Solution for -x/9=-21 equation: 


x in (-oo:+oo)

-x/9 = -21 // + 21

21-x/9 = 0

21-1/9*x = 0 // - 21

-1/9*x = -21 // : -1/9

x = -21/(-1/9)

x = 189

x = 189

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