-7w-21/7

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Solution for -7w-21/7 equation: 


w in (-oo:+oo)

-7*w-(21/7) = 0

-7*w-3 = 0

-7*w-3 = 0 // + 3

-7*w = 3 // : -7

w = 3/(-7)

w = -3/7

w = -3/7

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