-x/21=-3

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Solution for -x/21=-3 equation: 


x in (-oo:+oo)

-x/21 = -3 // + 3

3-x/21 = 0

3-1/21*x = 0 // - 3

-1/21*x = -3 // : -1/21

x = -3/(-1/21)

x = 63

x = 63

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