-9x=21/3

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Solution for -9x=21/3 equation: 


x in (-oo:+oo)

-9*x = 21/3 // - 21/3

-9*x-(21/3) = 0

-9*x-7 = 0

-9*x-7 = 0 // + 7

-9*x = 7 // : -9

x = 7/(-9)

x = -7/9

x = -7/9

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