-3/7w=9/21

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Solution for -3/7w=9/21 equation: 


w in (-oo:+oo)

(-3/7)*w = 9/21 // - 9/21

(-3/7)*w-(9/21) = 0

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

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

-3/7*w = 3/7 // : -3/7

w = 3/7/(-3/7)

w = -1

w = -1

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