12-x/(-3)=9

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Solution for 12-x/(-3)=9 equation: 


x in (-oo:+oo)

12-(x/(-3)) = 9 // - 9

12-(x/(-3))-9 = 0

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

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

x = -3/1/3

x = -9

x = -9

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