6/7w-3w=21

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Solution for 6/7w-3w=21 equation: 


w in (-oo:+oo)

(6/7)*w-(3*w) = 21 // - 21

(6/7)*w-(3*w)-21 = 0

(6/7)*w-3*w-21 = 0

-15/7*w-21 = 0 // + 21

-15/7*w = 21 // : -15/7

w = 21/(-15/7)

w = -49/5

w = -49/5

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