6-3w=-21

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Solution for 6-3w=-21 equation: 


w in (-oo:+oo)

6-(3*w) = -21 // + 21

6-(3*w)+21 = 0

6-3*w+21 = 0

27-3*w = 0 // - 27

-3*w = -27 // : -3

w = -27/(-3)

w = 9

w = 9

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