4-x/3=21

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Solution for 4-x/3=21 equation: 


x in (-oo:+oo)

4-(x/3) = 21 // - 21

4-(x/3)-21 = 0

-1/3*x-17 = 0 // + 17

-1/3*x = 17 // : -1/3

x = 17/(-1/3)

x = -51

x = -51

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