-w/7=21

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Solution for -w/7=21 equation: 


w in (-oo:+oo)

-w/7 = 21 // - 21

-w/7-21 = 0

-1/7*w-21 = 0 // + 21

-1/7*w = 21 // : -1/7

w = 21/(-1/7)

w = -147

w = -147

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