x/3=7-21

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Solution for x/3=7-21 equation: 


x in (-oo:+oo)

x/3 = 7-21 // - 7-21

x/3-7+21 = 0

1/3*x+14 = 0 // - 14

1/3*x = -14 // : 1/3

x = -14/1/3

x = -42

x = -42

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