-3/7w=-9 - solution

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

w in (-oo:+oo)

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

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

9-3/7*w = 0 // - 9

-3/7*w = -9 // : -3/7

w = -9/(-3/7)

w = 21

w = 21

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